Billy graduated in August 2015 with his MSPH. His master’s research focused on the use of molecular methods to identify the source of drinking water contamination in the Galapagos Islands. He still works with the lab as a visiting scholar and with the Center for Galapagos Studies as a graduate affiliate. Billy is currently a Ph.D. student in Environmental Process Engineering at Duke University where his research investigates the role of ballast water as a mode of pathogen transport and offers insight to effective remediation strategies..