Dr. Glenn Longley has been the Director of the Edwards Aquifer Research Center at Texas State University since 1979 and Professor of Aquatic Biology since 1969. He received his B.S. in Biology from Texas State in 1964, minor in Chemistry. He received his M.S. in Zoology and Entomology in 1966 from the University of Utah and his Ph.D. in Environmental Biology in 1969 from the University of Utah. Dr. Longley is Past President Texas Water Pollution Control Association, Past President & Fellow of the Texas Academy of Science and Past President of the Texas Organization for Endangered Species. He has directed many theses in the water field. He has published numerous water-related papers in professional journals. He has prepared many technical reports. He has presented water related talks, many invited. He has received in excess of 70 grants and contracts for water related studies. In 1993 he was selected for the Eminent Texas Hydrologist Award, presented by American Institute of Hydrology and American Water Resources Association (Texas Section). He served on the technical advisory committees for two study areas of the Trans-Texas Water Program of the Texas Water Development Board. He was a member of the Technical Advisory Panel to Joint House-Senate Committee on the Edwards Aquifer and is a member of the Upper Middle Basin Committee for the Guadalupe-Blanco River Authority. He has served on two USFWS Recovery Teams. He is a member of numerous professional organizations. Dr. Longley is recognized nationally and internationally for his pioneering work on the Edwards Aquifer aquatic ecosystem. The discovery of this highly diverse biological system containing unique life at great depths has continued to stimulate his interest and study. He specializes in water quality investigations.