Environmental biotechnologist Bruce Logan's research focuses on novel technologies that produce energy from microbial processes and on developing a global water infrastructure for both industrialized and developing countries that is sustainable in energy terms. The author or co-author of more than 300 refereed publications and several books, he collaborates around the world and has been a visiting researcher in England, Saudi Arabia and China. He received his PhD in 1986 from UC Berkeley and served on the University of Arizona faculty prior to joining the faculty at Penn State in 1997. He also established and directs the Penn State Hydrogen Energy Center. Email: blogan@psu.edu. Web: http://www.engr.psu.edu/ce/enve/logan/.