associate editor for the International Journal of Life Cycle Assessment and Biotechnology for Biofuels, and he currently serves as associate editor for the Journal of Industrial Ecology.

WILLIAM F. CARROLL is currently vice president of industry issues for Occidental Chemical Corporation and also adjunct professor of Chemistry at Indiana University, Bloomington. Dr. Carroll is a past president (2005) of the American Chemical Society and a current member of its board of directors. He is a fellow of the Royal Society of Chemistry, and chair or member of a number of committees for the National Research Council of the National Academy of Sciences. He is a member of advisory boards for DePauw University, Tulane University and is 2009 chair of the Council of Scientific Society Presidents. On behalf of OxyChem he has chaired numerous committees for industry associations, including the American Chemistry Council. He has served on expert groups commissioned by the United Nations Environment Programme, the U.S. Environmental Protection Agency and three states, and most recently the California Green Ribbon Science Panel. He has received the Henry Hill Award from the ACS Division of Professional Relations, the Michael Shea Award from the ACS Division of Chemical Technicians, an Indiana University Distinguished Alumni Service Award, and the Vinyl Institute’s Roy T. Gottesman Leadership Award for lifetime achievement. He holds two patents and has over sixty publications in the fields of organic electrochemistry, polymer chemistry, combustion chemistry, incineration and plastics recycling. He holds a Ph.D. in organic chemistry from Indiana University, Bloomington, Indiana.

GLEN DAIGGER (NAE) is senior vice president and chief technology officer at CH2M HILL with responsibility for the technology function for the firm’s water businesses (water resources, water supply and treatment, wastewater). He is also the first technical fellow for the firm, an honor which recognizes the leadership that he provides for CH2M HILL and for the profession in the development and implementation of new wastewater treatment technology. Dr. Daigger has more than 30 years of experience in wastewater treatment plant evaluation, troubleshooting, and process design. His areas of expertise include biological wastewater treatment and treatment process design, in particular biological nutrient removal (both nitrogen and phosphorus), combined trickling filter and activated sludge systems, the use of biological selectors to control activated sludge bulking, and oxygen transfer. Between 1994 and 1996 he served as professor and head of the Environmental Systems Engineering Department at Clemson University. Dr. Daigger is a member of the American Society of Civil Engineers, American Water Works Association, Association of Environmental Engineering, International Water Association, Water Environment, as well as numerous other professional societies. Dr. Daigger received his Ph.D. in environmental engineering, his master of science degree in environmental engineering, and a bachelor of science degree in civil engineering all from Purdue University.

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