Lisa Bacon is a Principal Technologist with CH2M Hill in Herndon, Virginia. She has 16 years of experience providing strategic and technical support to utilities, watershed communities, and state and federal agencies, helping them identify and implement ways to increase the cost effectiveness of watershed management programs. Ms. Bacon wrote several early U.S. Environmental Protection Agency trading studies and was the lead contract author for U.S. EPA's 1996 Draft Framework for Watershed-Based Trading. She was the Principal Investigator for the Water Environment Research Foundation's (WERF's) "Nitrogen Credit Trading in Maryland: A Market Analysis for Establishing a Statewide Framework" project and is currently the Principal Investigator for the WERF project featured in the workshop, "Water Quality Credit Trading: Tools for Assessment and Implementation." Lisa has supported trading pilot studies for watersheds in Alabama, Colorado, Florida, Michigan, Mississippi, Pennsylvania, and Washington, and is currently supporting trading and watershed permitting initiatives in California, Maryland, Oregon, Texas, and Virginia.

Mark S. Kieser is principal of Kieser & Associates, an environmental science and engineering firm in Kalamazoo, Michigan, that specializes in water resources research, watershed management, water-quality modeling, and new program development. Mr. Kieser has a bachelor's degree in biological sciences from Wittenberg University in Springfield, Ohio, and master's degree in biological sciences from Michigan Technological University in Houghton, Michigan. He led one of the five U.S. Environmental Protection Agency supported water-quality trading projects in the United States in the late 1990s. Mr. Kieser served on the state of Michigan Water Quality Trading Workgroup that developed the framework for Michigan's 2002 water-quality trading program. Mr. Kieser has also served as Acting Chair of the Environmental Trading Network since 2001, an internationally recognized clearinghouse for market-based environmental programs. He is currently directing other regionally and nationally recognized projects in watershed management and urban stormwater research. David Sheridan is a principal in Aqua Cura, a consulting engineering firm in Camp Hill, Pennsylvania, specializing in water management. He is trained in civil engineering, with a B.S. from the University of Pittsburgh, Pennsylvania, and M.S. and Ph.D. from Penn State University and is a registered professional engineer in ten states and the District of Columbia.

The Water Environment Research Foundation (WERF) is a not-for-profit 501(c)(3) organization that funds and manages water quality research for our subscribers through a diverse public-private partnership between municipal utilities, corporations, academia, industry, and the federal government. WERF is dedicated to advancing science and technology addressing water quality issues as they impact water resources, the atmosphere, the lands, and quality of life. WERF is headquartered in Alexandria, VA.