Linden Lab Researchers

Karl G. Linden grew up in New York City and attended high school at the Bronx High School of Science. He went to Cornell University in the School of Agriculture and Life Sciences and eventually graduated with a BS in Biological and Environmental Engineering. He worked with Dr. William J. Jewell at Cornell on undergraduate research related to anerobic digestion of municipal solid waste. After spending a year traveling in...

Charlie is a post-dog-toral researcher in the Linden Lab Group. He specializes in research comparing different tastes of cheese. Before coming to CU Boulder Charlie studied the aerodynamics of frisbees in both high and low altitude settings.

Marley is an honorary pet member of the Linden research group by association, recently graduated kinder-dog-ten with flying colours. Marley brings pawsitivity to everyone he interacts with.

Dumpling joined the Linden Lab Group three years ago and is still working on getting her Meow-ster's degree. Dumpling's work focuses on irritating her roommate through furniture/cable deterioration. This is a very challenging work and that's why she normally spends 18 hours a day sleeping to preserve energy.

Moxie is the most recent addition to the Linden Lab Group. She came to CU from her previous position at the Chocolate Lab. She's now working in the treat taste-testing lab, where, unlike at her previous institution, she is allowed to taste the specimens. Her interests outside of research include playing with a tennis ball and finding ways to sneak food off the kitchen counters undetected.

This is Dexter, who just graduated with his Muttsters degree studying different smells in Colorado parks. Dexter also researches the sociology of what makes a ‘good boy’ in modern times.

Gil recently joined the Linden Lab Group and is working towards his Bark-chelor's degree. In addition to his obedience class work, Gil is studying the ideal peanut butter eating to fetch playing ratio. This topic aligns closely to his passions outside of work which include eating peanut butter and playing fetch.

Akash (He/Him) is a postdoctoral associate in the Linden group. He is working on studying the extent of RO membrane fouling mitigation using UV-Advanced oxidation processes (AOP) for real wastewaters. He will also be working on 222 nm UV-AOP processes for contaminant degradation. Akash graduated with a Ph.D. in Civil Engineering (Environmental Engineering) from the University of Minnesota, Twin Cities in November 2023, where he worked on photolysis of fluorinated...

Maddie is a PhD student in environmental engineering. Her research focuses on UV inactivation of biofilm-bound bacteria and applications of UV in drinking water distribution systems. She received bachelor's and master's degrees in civil engineering from West Virginia University, where she completed research on spatiotemporal trends in microbial communities in drinking water distribution. Maddie is passionate about creating solutions for safe drinking water and wastewater in rural or underserved communities,...

Bryan is a M.S. student in Environmental Engineering. His research focuses on coupled oxidants and ceramic membrane to mitigate membrane fouling for water reclamation applications. Prior to joining CU Boulder, Bryan received his BASc in Civil and Environmental Engineering from University of Waterloo where he worked on water treatment and river restoration projects. Outside of school, Bryan enjoys reading, playing tennis and golf, and going on hikes.

Ryan graduated from the University of Vermont with his B.S. in Environmental Engineering. As an undergraduate researcher at UVM, he performed jar tests to remove nutrients from dairy wash-water using coagulation/flocculation. Currently, Ryan is a Ph.D. student in Environmental Engineering and a graduate researcher focusing on water reuse and UV Advanced Oxidation Processes. (UV/AOP). He is interested in using water and wastewater treatment technology to address water security issues across...

Emma Payne is a PhD student in Prof. Linden’s group. Her research focuses on UV advanced oxidation and how advances in UV source technology can be leveraged to make UV advanced oxidation more sustainable and cost-efficient. She is also completing a graduate certificate through the Mortenson Center in Global Engineering and Resilience and is interested in drinking water treatment for rural or low-resource communities. Emma completed her B.S. in Environmental...

Emma Wells is a PhD student researching risk management in drinking water utilities. She is particularly interested in microbial water quality and how organizations adapt to changing technologies and environmental threats. Emma is co-advised by Dr. Amy Javernick-Will and Dr. Karl Linden. Her work is funded through the NSF Graduate Research Program Fellowship. With a background in global health, Emma has worked as a program manager for an organization in...

Ben is pursuing a B.S. in Environmental Engineering at CU Boulder. After graduation, Ben plans to pursue a career in water treatment and management. Ben currently is working on UV advanced oxidation water treatment in Dr. Linden’s lab. Outside of school, Ben enjoys music and the outdoors.

Emma is pursuing a B.S. in Environmental Engineering at the University of Colorado, Boulder. After graduation, she plans on continuing her education at CU to obtain her M.S. in Environmental Engineering. Her work includes researching the effectiveness of UV-advanced oxidation processes to treat water and wastewater. However, her interest in chemistry expands past water to include air pollution as well. She also enjoys hiking and the outdoors.

Matthew Bentley is an environmental engineer and Water, Sanitation, and Hygiene (WASH) technical specialist focused on mitigating human health impacts from chemical and microbial contamination of drinking water through appropriate technology and sound policy. Matt’s work focuses on the intersection of the environment and public health, where anthropogenic impacts are disproportionately affecting health and human flourishing in underserved communities globally. In order to address the health impacts of global chemical...

Zuzana Bohrerova was a post-doctoral researcher with Dr. Linden from 2003-2007 at Duke. During this time she conducted research on molecular investigations as a basis for evaluation of UV disinfection efficiency. Afterwards, she went on to work as a lecturer at Ohio State University. She now serves as a Research Specialist in the Department of Civil, Environmental and Geodetic Engineering and as the Associate Director of the Ohio Water Resources...

Ki Don Cho was a post-doctoral researcher with Dr. Linden from 2006-2008 at Duke. During this time, he conducted research on toxicity evaluations for estrogens in wastewater. Afterwards, he went on to be an Environmental Engineer with the District Department of Energy and Environment in Washington, DC.

Aaron Dotson was a post-doctoral researcher with Dr. Linden from 2008-2010 at University of Colorado Boulder. During this time he conducted research on UV induced disinfection byproducts. Afterwards, he went on to become an Assistant Professor in Environmental Engineering at the University of Alaska. Currently, he is Professor of Civil Engineering and Vice-Provost for Research at the University of Alaska, Anchorage.

Imma Ferrer was a post-doctoral researcher with Dr. Linden from 2009- 2012 at University of Colorado Boulder. During this time she conducted research on advanced analytical chemistry via LC time of flight mass spectrometry. Currently, she is a Research Associate and Co-Director of the Laboratory for Environmental Mass Spectrometry at the University of Colorado Boulder.

Alina Handorean was a post-doctoral researcher with Dr. Linden from 2009-2010 at University of Colorado Boulder. During this time she conducted research on Bioassays for determining toxicity of oxidation products from UV and ozone processes. She is currently a Teaching Associate Professor, in the Engineering, Design, & Society Program at the Colorado School of Mines.

Megan W. Howard was a post-doctoral researcher with Dr. Linden in 2010 at University of Colorado Boulder. During this time she conducted research on molecular method development to better understand the fundamentals of virus disinfection by UV light. Afterwards, she went on to work as a lecturer at Cal Poly San Luis Obispo, CA. Currently she is a Principal Research Scientist at Battelle.

Yaal Lester was a post-doctoral researcher with Dr. Linden from 2012-2015 at University of Colorado Boulder. During this time he conducted research on advanced oxidation and biological treatment of oil and gas wastewaters and emerging contaminants, Currently he is Head of the Environmental Technologies Program in the Department of Advanced Material Engineering at Azrieli College of Engineering in Jerusalem, Israel.

Ben is a Postdoctoral researcher in Environmental Engineering. His research at CU Boulder focuses on understanding molecular-level responses of viruses and biofilm-bound bacteria under UVC irradiation and UVC applications in water treatment and healthcare systems. Ben completed his Ph.D. in Environmental Engineering at University of Minnesota, Twin Cities. His doctoral research focused on investigating trace organic contaminant removal and microbiome in biofiltration systems for drinking water production.

Banu Ormeci was a post-doctoral researcher with Dr. Linden from 2001-2003 at Duke. During this time she conducted research on particle impacts on inactivation of pathogens in water and wastewater. Afterwards, she became Professor and Canada Research Chair in Environmental Engineering at Carleton University. She currently directs the Global Water Institute at Carleton University in Ottawa, Ontario, Canada.

Roberto Rodriguez was a post-doctoral researcher with Dr. Linden from 2010-2012 at University of Colorado Boulder. During this time he conducted research on fundamentals of adenoviruses virus inactivation by UV light. After working with Dr. Linden, he became an Assistant Professor at University of Texas School of Public Health-El Paso Regional Campus.

James Rosenblum was a post-doctoral researcher with Dr. Linden from 2014-2018 at the University of Colorado Boulder. During this time he conducted research on advanced treatment technologies for waters used in hydrologic fracturing. Currently, he is an Research Assistant Professor at Colorado School of Mines Water Technology Hub.

Peter Ruiz-Haas was a post-doctoral researcher with Dr. Linden from 2006-2008 at Duke During this time he conducted research on chemical analysis of emerging contaminants in water following advanced treatment. Afterwards, he went on to be an Assistant Professor at Mary Baldwin University. Currently he is an Associate Professor at Mary Baldwin University in Virginia.

Jatuwat has his B.S in Environmental Engineering from Chulalongkorn University. He earned his M.S. and Ph.D. in Urban Engineering from the University of Tokyo. His doctoral research focused on the viral disinfection mechanisms and the detection in water. He also had worked on waterborne pathogen monitoring in the water environment. His post-doctoral research with Dr. Linden which was completed in 2019 focused on investigating of the response of viruses to...

Saba Seyedi is a Postdoctoral researcher in Dr. Linden’s group. Saba’s work is centered on application of UV light technology in drinking water distribution systems for disinfection and control of biofilm development. She investigates the microbial responses after UV exposure, and the inactivation mechanism and molecular level impacts using different UV wavelengths. Saba earned her PhD in Environmental Engineering at Marquette University, where she worked on anaerobic digestion of aqueous...

Charles Maxwell Sharpless was a post-doctoral researcher with Dr. Linden from 2001-2004 at Duke. During this time he conducted research on contaminant degradation utilizing UV based treatment processes. Afterwards, he went on to Mary Washington College as an Associate Professor. Currently he is a Professor Emeritus at University of Mary Washington and the Assistant Director for Research, at Princeton University’s Andlinger Center for Energy & the Environment.

Hilla Shemer was a post-doctoral researcher with Dr. Linden from 2004-2006 at Duke. During this time she conducted research on contaminant degradation utilizing UV based oxidative treatment processes. Currently, she is a Research Professor in Chemical Engineering at Technion, Haifa, Israel.

Tesfa Yacob was a post-doctoral researcher with Dr. Linden from 2012-2015 at the University of Colorado Boulder. During this time he conducted research on odor control during pyrolysis of fecal sludge in the Sol-Char toilet project funded by the Gates Foundation. Currently, he is a faculty member at Humboldt State University in California.

Jeffrey Bandy was a graduate student with Dr. Linden from 2004-2009 at Duke University and graduated with a PhD in 2009. During his time at Duke he researched integration of synergistic multiple barriers in Water Reuse treatment. After graduation, he went on to work as an Engineer with Carollo and he is currently an Associate Civil Engineer at East Bay Municipal Utilities District in Oakland, CA.

Christina has her B.S. and M.S. in Civil Engineering from the University of Colorado and finished her PhD in 2016. Her work focused on the assessment of large-scale distributions of household water treatment systems and high efficiency cookstoves in Rwanda and its sustainability. She collaborated with a number of researchers including Dr. Evan Thomas at Portland State University, and DelAgua Health. She has previously received a Boren Fellowship and received...

Sara Beck was a graduate student with Dr. Linden from 2010-2015 and graduated with a Ph.D. in 2015. During her time at the University of Colorado Boulder she researched fundamental aspects of UV disinfection of viruses to assist in the design of small-scale UV disinfection technologies. After graduation, she received a Fulbright to do research in water and sanitation in Thailand, then was a post-doc at EAWAG in Switzerland.

Christie Chatterley obtained her MS in Environmental Engineering from University of Colorado in 2009 and conducted research with Dr. Linden on UV LEDs for sustainable disinfection. She continued her graduate studies with Dr. Linden and graduated with a Ph.D. in 2013 during which she researched school based water sanitation and hygiene programs in a number of low and middle income countries, working with UNICEF. Currently, she is an Assistant Professor...

Pei-Jen Chen was a graduate student with Dr. Linden from 2002-2005 and graduated from Duke in 2005 with a Ph.D. in environmental engineering. During her time at the Duke she researched bioanalytical techniques for evaluation of UV based treatment of EDCs in water. After graduation, she went on to work as an Assistant Professor in the Department of Agricultural Chemistry at the National University of Taiwan where she is now...

Pranav is a PhD candidate in Environmental Engineering, investigating maintenance interventions for the sustainability of rural water systems in Sub Saharan Africa. His research is part of the USAID Sustainable WASH Systems Learning Partnership and USAID Kenya RAPID Program. Prior to starting a PhD with Prof. Linden, he was at the University of British Columbia, where he studied Chemical Engineering and conducted research with Prof. Madjid Mohseni on the reduction...

Caleb has a B.S. in Civil Engineering from Purdue University, and is PhD candidate in Environmental Engineering at CU Boulder (expected 2021). His interests and future aspirations lie at the interface of research, practical action and policy regarding professionalized rural water, sanitation and hygiene (WASH) services in low-income contexts. He is co-advised by both Dr. Karl Linden and Dr. Amy Javernick-Will. His doctoral thesis research is part of the USAID...

Anne Eischeid was a graduate student with Dr. Linden from 2003-2009 and graduated from Duke University with a MS degree in 2004 and Ph.D. in 2009. During her time at Duke she researched the UV inactivation fundamentals for bacteria and viruses examining the molecular basis for viral resistance to UV disinfection. After graduation, she went on to work as a Research Scientist at the US Food and Drug Administration (FDA)...

Natalie finished her Environmental Engineering PhD in 2019. She earned a BS in Civil Engineering from University of Kentucky and an MS in Civil Engineering with Environmental Specialization from CU Boulder. She studied UV wavelength-specific molecular and cellular disinfection mechanisms and novel mercury-free UV sources for sustainable drinking water treatment in small US systems, as part of the DeRISK Center . As a professional researcher after her MS, she studied...

Shanshan Jin was a graduate student with Dr. Linden for both her MS and Ph.D. degrees in Environmental Engineering at Duke University from 1999-2003. Her MS research was on practical considerations for actinometer based UV dosimetry and Ph.D. research was on fluence measurement for polychromatic UV disinfection systems. After graduation, she went on to work as a Sr. R&D Engineering at Degremont North American Research and Development Center. Currently she...

Olya Keen was a graduate student with Dr. Linden from 2009-2012 and graduated with a Ph.D. in Environmental Engineering. During her time at the University of Colorado Boulder she was a EPA STAR Fellow and researched advanced oxidation of pharmaceuticals in wastewater. After graduation, she went on to work as an Assistant Professor at the University of North Carolina at Charlotte. Currently she is an Associate Professor.

Hadas Mamane was a graduate student with Dr. Linden from 2001-2005 and graduated with a Ph.D. in Environmental Engineering in 2005. During her time at Duke University she researched factors affecting UV inactivation of pathogens in unfiltered waters. After graduation she went on to work as a Professor at the School of Engineering at Tel Aviv University in Israel.

Kaitlin Mattos grew up in Maryland and has lived all over the US and its territories. She is currently a PhD student in Environmental Engineering and the Engineering for Developing Communities program at the University of Colorado at Boulder working with the Alaska Native Tribal Health Consortium (ANTHC) on mid-tech water and sanitation infrastructure for remote and historically marginalized communities. She earned her undergraduate degree in Environmental Studies in 2009...

Carrie J. (CJ) McClelland was a graduate student with Dr. Linden from 2010-2012 and graduated with a Ph.D. in 2012. During her time at the University of Colorado Boulder she researched decision support for implementing water reuse in arid regions. After graduation, she went on to work as an Assistant Professor at Colorado School of Mines. Currently, she is a Teaching Associate Professor of Engineering.

Simón Mostafa was a doctoral student with Dr. Linden and Dr. Rosario-Ortiz from 2010-2015 at the University of Colorado Boulder and graduated with a Ph.D. in Environmental Engineering. He researched photochemical processes in non-conventional wastewater treatment systems. After graduation he traveled around the world and landed in Mexico where he is the Director of Research for the NGO Fundación Cántaro Azul.

Austa Parker was a graduate student with Dr. Linden from 2009-2014 and graduated with a Ph.D. in Environmental Engineering. During her time at the University of Colorado Boulder she was a NSF Graduate Research Fellow investigating oxidation processes and subsequent toxicity for emerging contaminants. After graduation, she went on to work as a water reuse technologist at Carollo Engineers. Currently she is a key account manager on the recycled water...

Vanessa Pereira was a graduate student at the University of North Carolina in Chapel Hill co-advised by Dr. Linden, for her Ph.D. in Environmental Engineering in 2005. During her time with Dr. Linden, she researched UV and ozone degradation of pharmaceuticals in water. After graduation, she went on to work as a research associate at the Institute of Chemical and Biological Technology at the University of Lisbon, Portugal.

Erik Rosenfeldt studied with Dr. Linden as a masters student from 2001-2003 and graduated with a MS in Civil and Environmental Engineering. He continued to pursue his Ph.D. with Dr. Linden from 2003-2007. During his time at the Duke he researched advanced oxidation of emerging contaminants. After graduation, he went on to work as an Assistant Professor of Civil and Environmental Engineering at the University of Massachusetts, Amherst. Currently, he...

Kari has a B.S. in civil engineering from the University of Colorado Boulder and an M.S. in environmental engineering from the University of North Carolina. She received her Ph.D. from University of Colorado Boulder in 2019 Her research focused on ultraviolet light disinfection systems and appropriate applications of drinking water treatment technologies. Kari has worked as a project engineer and project manager in the private, public, and non-governmental sectors.

Kurby earned his B.S. and M.S. from University of Colorado Boulder. in 2019, he obtained his Ph.D from the University of Colorado under Karl Linden. His dissertation research consisted of developing methods to isolate and analyze organic compounds in hydraulic fracturing wastewater, as well investigating physical, chemical, and biological treatment options for wastewater from unconventional gas drilling. He hopes his research will contribute to increased water reuse in the energy...

Corey Trujillo is a mechanical engineer, computational fluid dynamics specialist and high-performance computing technician. His current research concerns the remediation of petroleum-contaminated soils with concentrated solar power. Prior to joining the University of Colorado Boulder, he completed his master’s degree at the University of Nevada, Reno where he modeled heat transfer through nuclear fuel canisters. He worked briefly in industry after receiving his B.S. in Mechanical Engineering and his B.A...

Sydney has a B.S. in Civil Engineering from Gonzaga University. While working as an applications engineer she became interested in oxidation processes, and this interest led her to the Linden Lab group at the University of Colorado in 2014. She completed her M.S. and Ph.D. (2019) in Environmental Engineering under the supervision of Karl Linden. Her work focused on evaluating the resiliency of different oxidation processes in potable reuse systems...

Michael J. Watts was a graduate student with Dr. Linden from 2004-2008 and graduated with a Ph.D. in Civil/Environmental Engineering from Duke University in 2008. During his time at Duke he researched oxidation and photodegradation of emerging contaminants in water. After graduation, he went on to work as an Assistant Professor at Florida State University. Currently he is a Senior Process Engineer and Water Technology Leader with Garver and Associates...

Changlong Wu was a graduate student with Dr. Linden at Duke from 2003-2008 and graduated with a Ph.D. in Environmental Engineering in 2008. During his time at the Duke he researched the development of fundamental UV reaction parameters for emerging contaminants. After graduation, he went on to work as an Environmental Engineer at Syngenta. Currently he is a Senior Environmental Engineer with AdvanSix.

Chao was a visiting Ph.D. student from Tsinghua University and has a B.S. in environmental engineering from Tsinghua University. He had worked on enhancing the vacuum ultraviolet output of low-pressure ultraviolet lamp for better advanced oxidation process performance. His focus is now on the application of UV light disinfection systems in China and studying UV disinfection efficacy from a perspective of bacterial viability.

Lawrence (Lance) Batch was an MS student with Dr. Linden from 2000-2002 at Duke University. His research investigated water quality impacts on UV disinfection of MS2 virus in filtered water supplies. He went on to work as an engineer at NAVFAC Naval Engineering, in San Diego, CA.

Mary Bonislasky (Knosby) was a graduate student with Dr. Linden from 1997-1999 and graduated with a MS degree in Civil Engineering. During her time at the University of North Carolina at Charlotte she researched comparison of performance and operations and maintenance costs for three biological nutrient removal schemes at a full-scale wastewater treatment plant. After graduation, she went on to work as a Project Engineer with Black & Veatch. Currently...

Sarah Bounty (Ridyard) was a graduate student with Dr. Linden from 2010-2012 and graduated with a MS in Environmental Engineering. During her time at the University of Colorado Boulder she researched DNA and protein damage of adenoviruses from UV disinfection in water. After graduation, she went on to work as a Water Engineer at CH2M Hill. Currently she is a Water Resources Planner with Connecticut Water.

Lia Brune was a graduate student with Dr. Linden from 2011-2013 and graduated with a MS in Environmental Engineering. During her time at the University of Colorado Boulder she researched optimization of water treatment systems in rural communities of the Peruvian Amazon. After graduation, she went on to work as a Water & Wastewater Process Engineer at CDM Smith. Currently she works at Brown and Caldwell in the Denver area.

Matt is an M.S. student in Environmental Engineering and working towards a certificate in Global Engineering. He is working on a project with Dr. Karl Linden for the World Health Organization (WHO) to review literature for log reduction values for pathogens in different drinking water treatment technologies. This research will be used by the WHO in their upcoming update to the Guidelines for Drinking-water Quality . Before studying at CU...

Jason Christensen was a graduate student with Dr. Linden from 1999-2001 and graduated with a MS degree in Environmental Engineering at Duke University. He researched the impacts of particles on dose delivery in UV disinfection systems. After graduation, he went on to work as a project engineer at HDR in Austin, TX.

Amanda Connell (Morelos) was a graduate student with Dr. Linden from 2013-2015 and graduated with a MS in 2015. During her time at the University of Colorado Boulder she investigated toxicity analysis of produced and flowback water from hydraulic fracturing using biological toxicity assays. After graduation, she went on to work as an Capital Project Manager at King County Wastewater Treatment Division in Seattle, WA. Currently she is a Civil...

Katherine Dowdell was a graduate student with Dr. Linden from 2011-2012 and graduated with a MS in Civil Engineering. During her time at the University of Colorado Boulder she researched biofiltration following advanced oxidation – impact on contaminant toxicity. After graduation, she went on to work as an Environmental Engineer at CDM Smith in the San Francisco Bay Area. Currently, she is a Ph.D. candidate in Environmental Engineering at the...

Robyn Hallowell was a graduate student with Dr. Linden and graduated with a MS in 2015. Her research was funded by the Gulf of Mexico Research Initiative and investigated the effects of sunlight exposure on the chemical composition and associated toxicity of dispersed crude oil. After graduation, she went on to work as a Chemist with the EPA in Denver, Colorado.

Gina Ishida (Raybourn) was a graduate student from 1999-2001 and graduated with a MS in Public Health from the University of North Carolina at Chapel Hill where she was co-advised by Dr. Linden. She researched sequential inactivation of microorganisms with UV and chlorine. After graduation, she went on to work as an Lead Engineer at Carollo Engineers in Phoenix, AZ. Currently she is a Utilities Engineering Manager for the City...

Jeffrey Keaton was a graduate student with Dr. Linden from 1997-1999 and graduated with a MS degree in 1999. During his time at the University of North Carolina Charlotte he researched criteria and identification of reference reaches for urban stream restoration. After graduation, he went on to work as a Process Engineer at CH2MHill in Charlotte NC. Currently, he is a Senior Water Resources Engineer with Wildlands Engineering.

Nitin Khanna was a graduate student with Dr. Linden from 2001-2003 and graduated with a MS in Environmental Engineering. During his time at Duke University he researched UV inactivation kinetics and time-dose reciprocity of E. coli and S. typhimurium bacteria. He went on to work for MacConell and Associates in Morrisville, NC.

Stephanie Kover was a graduate student with Dr. Linden from 2012-2013 and graduated with a MS in Civil and Environmental Engineering. During her time at the University of Colorado Boulder she researched photochemical Fate of Solvent Constituents of Corexit Oil Dispersants. After graduation, she went on to pursue a Doctor of Law (JD) at the University of California Berkeley. Currently, she is an attorney at Scott Douglass & McConnico in...

Choolwe Mandona was a graduate student with Dr. Linden from 2013-2015 and graduated with a MS. During her time at the University of Colorado Boulder she researched UV removal of carcinogenic contaminants in drinking water. After graduation, she went on to work as a Water Resources Engineer at Arcadis. Currently, she is a Water/Wastewater Engineer at Mott MacDonald in New York.

Sonya Milonova was a graduate student with Dr. Linden from 2011-2013 and graduated with a MS in Civil and Environmental Engineering. During her time at the University of Colorado Boulder she researched feasibility of generating renewable liquid fuels using volatile fatty acids from anaerobic digestion. After graduation, she went on to work as an Engineering Fellow in South Africa with the Harvard T.H. Chan School of Public Health. Currently, she...

Joanna R. Murphy received a B.S. in Environmental Resources Engineering from Humboldt State University in 2015. She is received her MS in 2019 from the Department of Civil Environmental and Architectural engineering at CU Boulder. Joanna studies novel membrane and Advanced Oxidation treatment processes for direct potable water reuse applications.

Jeanette Neethling was a graduate student with Dr. Linden from 2013-2015 and graduated with a MS in Environmental Engineering with a focus on Engineering for Developing Communities in 2015. During her time at the University of Colorado Boulder she researched nutrient recovery from source-separated urine using fecally-derived biochar and other methods. After graduation, she went on to work as an engineer at Partners in Development in South Africa.

Liesbet Oalerts was a graduate student with Dr. Linden from 2016-2018 and graduated with a MS in Environmental Engineering in 2018. During her time at the University of Colorado Boulder she researched rural water preventative maintenance models for USAID Sustainable Water, Sanitation and Hygiene (WASH) Systems Learning Partnership, a consortium of eight organizations working in four countries applying, researching, and learning about systems-based approaches to improve the sustainability of WASH...

Mike Osborne was a graduate student with Dr. Linden from 1996-1998 and graduated with a MS in Civil Engineering. During his time at the University of North Carolina he researched performance and optimization of biotower for treatment of beverage industry wastewater. After graduation, he went on to work as a Regional Manager for McKim & Creed. Currently he is a Project Manager for Black & Veatch.

Evan M. Owen received a B.S in Civil Engineering from the University of New Hampshire in 2016. He received his M.S. in Environmental Engineering in 2019 from the Department of Civil, Environmental, and Architectural Engineering from the University of Colorado at Boulder. His work focused on ceramic microfiltration membranes coupled with ozonation to enhance the filterability of waters containing natural organic matter in respect to advanced oxidation treatment for potable...

Anthony is a Bachelor's Accelerated Master's student at the University of Colorado Boulder inspired to pursue sustainable technologies in environmental engineering by his background, growing up in Flint, Michigan, and his family's roots in Peru. Anthony's current research is in Wastewater Reuse applications by Advanced Oxidation Processes and membrane processes for enhanced contaminant removal. Interested in advanced ultra and nano-filtration membranes for desalination and water reuse, while pursuing the certificate...

Sesha received her MS degree in Environmental Engineering in 2019 from University of Colorado Boulder. She has a BS degree in Biotechnology from India. She is passionate about wastewater research her thesis focused on characterization of fracking wastewater from oil and gas operations. She developmed chemical and biological methods to detect toxic composition of these waters.

Christopher Poepping was a graduate student with Dr. Linden from 2011-2013 and graduated with a MS in Environmental Engineering. During his time at the University of Colorado Boulder he researched the impact of time and light exposure on UV disinfection of pathogens. After graduation, he went on to work as a Water Treatment Engineer at ARCADIS. Currently, he is an Engineer at JVA in Colorado.

Tara is a M.S. student in Environmental Engineering with a certificate in Global Engineering. Her current research investigates UVLED disinfection technology for wastewater reuse in water scarce settings. Prior to CU Boulder, she received her B.S. from the University of California Davis where she studied non-chemical soil disinfection techniques. If Tara isn't in the lab, she's either catching a fish, skiing pow, or working on a puzzle.

Hannah Saunders graduated with a MSPH in Environmental Virology at the University of North Carolina at Chapel Hill, co-advised by Dr. Linden. She researched UV disinfection of adenovirus in water. After graduation, she went on to work as an Microbiologist with the National Institute of Environmental Health Sciences. Currently, she is a R&D Staff Scientist with Thermo Fisher Scientific.

Nilesh Shringapure was a graduate student with Dr. Linden from 2001-2004 and graduated with a MS in Environmental Engineering. During his time at Duke University he researched predicting medium pressure UV fluence via biodosimetry. After graduation, he went on to work as an Environmental Technician at PIKA International. Currently, he is a Project Manager at Williams Creek Consulting.

Cole Sigmon was a graduate student with Dr. Linden from 2008-2011 and graduated with a MS in Environmental Engineering. During his time at the University of Colorado Boulder he researched ozonation of wastewater for inactivation of viruses. After graduation, he went on to work as an Engineer at Boulder Wastewater Treatment Plant and he is now Engineering Project Manager for the City of Boulder, Colorado.

Emily Spangler was a graduate student with Dr. Linden from 2013-2015 and graduated with a MS in Civil Engineering in 2015. During her time at the University of Colorado Boulder she researched urine disinfection and advanced oxidation processes and toxicity assays. After graduation, she went on to work as an engineer for Arup in London.

Kate completed her B.S./M.S. dual degree in Environmental Engineering and a Certificate in Engineering for Developing Communities in 2018. In collaboration with researchers at Duke University and with support from AAUW, she conductied research about the use of biochar for odor control in latrines. She is most passionate about water, sanitation, and hygiene in rural developing communities. A Colorado native, she enjoys mountain adventure activities during all seasons.

Elizabeth "Zee" Travis was a graduate student with Dr. Linden from 2012-2014 and graduated with a MS in Civil Engineering with an emphasis in Environmental Engineering. During her time at the University of Colorado Boulder she researched the effect of peak nutrient outputs on dynamic effluent quality as well as the use and resilience of household and community water treatment systems in Peru. After graduation, she went on to work...

Shawn Wilkerson was a graduate student with Dr. Linden from 1996-1998 and graduated with a MS in Civil Engineering. During his time at the University of North Carolina at Charlotte he researched application of morphologic characterization to urban watersheds for developing stream restoration techniques. After graduation, he went on to work as an Engineer at the City of Charlotte Storm Water Services. Currently, he is President at Wildlands Engineering in...

Jasmine is pursuing B.S. in Environmental Engineering at the University of Colorado Boulder. Her current research is testing an industry partner's UV LED disinfection unit against microorganisms that are known to induce corrosion in deep ocean pipelines. She is interested in becoming a consultant engineer for water and wastewater treatment projects and possibly returning for graduate studies. Her hobbies include obsessing over dogs, caring for far too many houseplants, and...

Will received a B.S. in Environmental Engineering with a focus in Engineering for Developing Communities. While most of his work pertains to water quality in rural settings and his research involvement centers around UV disinfection for small systems, he is most passionate about medicine and plans to pursue an M.D. after graduation. Outside of academics, he is an avid mountain biker, rock climber, and kayaker.

Ryan received a B.S. degree in Environmental Engineering and a Certificate in Engineering for Developing Communities. In collaboration with Discovery Learning Apprenticeship Program and the Mortenson Center in Engineering for Developing Communities, his work involved designing small-scale or point of use UV LED drinking water treatment systems. He is most passionate about helping developing communities gain access to clean drinking water and looks forward to beginning a career in this...

Bridger completed the B.S. in Environmental Engineering with an energy conversions focus. He has been involved in several research projects in the Linden lab, including the physical characterization and biological treatment of hydraulic fracturing wastewater. He is developed a model to assess the risk of a well-site spill to the nearby groundwater resource. After graduation, Bridger will enroll at Harvard University to pursue a PhD in Environmental Science and Engineering.

Shelby is a B.S. student in Environmental Engineering pursuing a minor in Global Engineering and a certificate in Engineering Leadership at the University of Colorado Boulder. Through the Discovery Learning Apprenticeship program, she has been helping to investigate using UV LEDs to mitigate biofilm prevention in irrigation drip lines in Israel. Her passion lies in resource recovery, using our waste products from the wastewater and solid waste industries to help...