Philip T. Pienkos works for the National Bioenergy Center@the National Renewable Energy Laboratory (NREL). The U.S. Department of Energy facility focuses on the research, development, commercialization and deployment of renewable-energy and energy-efficiency technologies. He is a molecular biologist and the principal group manager of Applied Sciences@NREL. Address: 1617 Cole Blvd., Golden, CO 80401. E-mail: philip.pienkos@nrel.gov. Website: http://www.nrel.gov/biomass/staff_pages/philip_pienkos.html