I work with Zach Berta-Thompson studying exoplanets. Currently I am working with ground-based observations to validate and characterize planet candidates discovered by the Transiting Exoplanet Survey Satellite (TESS).
Crossfield, I., Waalkes, W., et al., "A super-Earth and sub-Neptune transiting the late-type M dwarf LP 791-18” (submitted) https://arxiv.org/abs/1906.09267
Waalkes, W. et al., "Lyman-alpha in the GJ 1132 System: Stellar Emission and Planetary Atmospheric Evolution" (2019), Astronomical Journal. https://arxiv.org/abs/1906.04274
Vanderspek, R. et al., "TESS Discovery of an Ultra-short-period Planet around the Nearby M Dwarf LHS 3844" (2019), ApJ. https://iopscience.iop.org/article/10.3847/2041-8213/aafb7a/pdf
Bean, J. et al., "The Transiting Exoplanet Community Early Release Science Program for JWST” (2018), PASP. https://iopscience.iop.org/article/10.1088/1538-3873/aadbf3/pdf
Tucker, O., Waalkes, W.C., et al., "Examining the Exobase Approximation: DSMC Models of Titan’s Upper Atmosphere." (2016), Icarus. https://www.sciencedirect.com/science/article/abs/pii/S0019103516001226?via%3Dihub