Rachel Brennan, Ph.D., P.E. is a Professor of Environmental Engineering at The Pennsylvania State University and is a licensed Professional Engineer in the state of Pennsylvania. Dr. Brennan’s expertise is in the development and application of water treatment technologies to protect human health and the environment. She currently directs a transdisciplinary University Strategic Initiative for addressing global water-energy-food nexus challenges, and is a Fulbright Specialist for the U.S. Department of State. Dr. Brennan has served on the Board of the State College Borough Water Authority for over ten years.