His research is focused on characterizing the sources, transformations, and bioactivity of steroidal estrogens in natural waters. David holds a PhD in Environmental Chemistry and Chemical Oceanography from the Massachusetts Institute of Technology/Woods Hole Oceanographic Institution Joint Program (2013). He received his master’s degree in Environmental Science from the Yale School of Forestry and Environmental Studies (2007) and a bachelor’s degree in Chemistry from Bowdoin College (2000). Since then, David has also taught high school science, studied marine fisheries management, and conducted research in isotope biogeochemistry and marine carbon dynamics.