Dr. Mark Fedkin is an assistant teaching professor and lead faculty of the energy and sustainability policy program at Penn State. He is also a lead faculty in the renewable energy and sustainability systems graduate online program. He has worked for more than ten years for the Earth and Mineral Sciences Energy Institute, where he led experimental research on electrochemical energy systems and processes, including fuel cells, hydrogen technologies, electrophoresis, and corrosion in extreme environments. During his career as an experimentalist, Dr. Fedkin developed a number of methods and technologies for monitoring and sensing the environmental parameters in both simulated and natural settings.