Jonathan D. Arthur is the Executive Director of the American Geosciences Institute. From 2009 through June 2021, Dr. Arthur served as Director of the Florida Geological Survey and State geologist. His research in aquifer vulnerability and metals mobilization during artificial recharge has informed environmental management and policy, and he holds a keen interest in geoscience policy, public engagement, and application of geosciences to address sustainability challenges. Dr. Arthur is a Fellow of the Geological Society of America, and recipient of national awards for public and distinguished service. He has given congressional testimonies, numerous invited presentations, keynotes, and international workshops, and has served as president of the Association of American State Geologists and the Florida Association of Professional Geologists, among other leadership roles in the geoscience community. Dr. Arthur served on National Academies of Sciences, Engineering, and Medicine (NASEM) committees related to aquifer system dynamics and habitat conservation, and presently serves on the NASEM Water Science and Technology Board and is a liaison to the U.S. National Committee for Geological Sciences. He earned his Ph.D. in geology from Florida State University