LOGAN E. Bruce, the Stan & Flora Kappe Professor of Environmental Engineering, an Evan Pugh University Professor, and the Director of the Engineering Energy & Environmental Institute at Penn State University. Dr. Logan is also the Editor of ES&T Letters, published by the American Chemical Society (ACS). His current research efforts are in bioenergy production and the development of an energy sustainable water infrastructure. Dr. Logan has mentored over 110 graduate students and post docs, and is the author or co-author of over 460 refereed publications (h-index=114) and several books. He is a member of the US National Academy of Engineering (NAE), and a fellow of the American Association for the Advancement of Science (AAAS), the International Water Association (IWA), the Water Environment Federation (WEF), and the Association of Environmental Engineering & Science Professors (AEESP). Dr. Logan is a visiting professor at several universities including HIT and Tsinghua University (China) and Newcastle University (England), and with ties to universities in Saudi Arabia, Belgium and China. He received his Ph.D. in 1986 from the University of California, Berkeley, and was a professor until 1997 at University of Arizona in Tucson.