Charlie Kreitler is a Senior Consultant with LBG-Guyton Associates in Austin Texas. He has over 40 years of working on Texas groundwater problems, first as a Research Scientist for the Bureau of Economic Geology, The University of Texas at Austin, then as a Principal with LBG-Guyton Associates. He is also currently teaching a graduate course in the Energy and Earth Resources (EER) Program at the Jackson School of Geoscience (University of Texas at Austin) on groundwater resource evaluation. It is a course that integrates the technical and policy issues of groundwater development and management. He has conducted several scientific studies on the Edwards Aquifer since the 1970’s. He has participated in the Aquifer Science Advisory Panel (ASAP) for the development of the MODFLOW numerical groundwater flow model of the Edwards as well as the Expert Science Subcommittee for the Edwards Aquifer Recovery Implementation Program. His most recent hobby is visiting “important” springs in the United States.