Evan A Thomas, PhD, PE, MPH is an Assistant Professor and Director of the Sweet (Sustainable Water, Energy and Environmental Technologies) Laboratory, and a Faculty Fellow in the Institute for Sustainable Solutions at Portland State University. He works at the interface of engineering, environmental health and social business, with professional experience working in government, industry, non-profits and academia. Evan holds a Ph.D. in Aerospace Engineering Sciences from the University of Colorado at Boulder, is a registered Professional Engineer (P.E.) in Environmental Engineering in the State of Texas, and holds a Masters in Public Health from the Oregon Health and Science University.Evan is also a social business entrepreneur engaged in global health programs. Evan was a founding volunteer with Engineers Without Borders-USA in 2002, which led to co-founding Manna Energy Limited in 2007. In 2012, Evan co-founded SWEETSense Inc., an Oregon technology company. Evan is currently the Chief Operating Officer of DelAgua Health, a social enterprise working with the Government of Rwanda. Prior to joining PSU, Evan worked as a civil servant at the NASA-Johnson Space Center in Houston, Texas for six years. At NASA, Evan was a principal investigator and project manager in the Life Support and Habitability Systems Branch working on concepts and flight hardware for sustainable Moon and Mars spacecraft.