Tavel is a nationally recognized architect and urban designer in Denver specializing in sustainable urban neighborhoods and architecture. His work emphasizes climate-responsive solutions that reduce resource demands and support sustainable cultural practices. Projects include the Geos Net-Zero Energy Neighborhood - designed with Senior Instructor David Kahn – which won the 2009 National ASLA Honor Award and the 2010 Colorado Sustainable Design Award. Greensburg Green Neighborhoods won the 2010 AIA Colorado Honor Award. Other projects have won awards from Progressive Architecture, the National AIA, HUD, the Colorado Renewable Energy Society, Colorado Housing Now, Historic Boulder, and The Rocky Mountain News. Tavel lectures at national conferences on sustainable urban neighborhood design and has addressed university and government audiences in Europe, Africa, and South America. He won the top prize in architectural design at UC Berkeley in 1989, a one-year travelling fellowship. Before graduate school he interned as an architect in Toledo, Ohio and New York City. Following graduate school he worked for internationally known architects Christopher Alexander in Berkeley, Mark Mack in San Francisco, and Heinz Tesar in Vienna, Austria before moving to teach at UC Denver in 1991. From 1993 to 2000 he ran a summer study abroad program in Urban Design in Prague. He was a founding board member of the Museum of Contemporary Arts in Denver in the mid ‘90s and remains active in numerous professional and community organizations in Colorado.