Stephen has nearly 30 years of R&D experience in process systems engineering for chemical and energy applications and the environment. Since 2004, he has directed process systems engineering research at the U.S. Department of Energy’s (DOE) National Energy Technology Laboratory (NETL). In 2011, Stephen launched the AVESTAR Center for Advanced Virtual Energy Simulation Training and Research at West Virginia University, where he also serves as an Adjunct Professor in the Department of Chemical and Biomedical Engineering. Before joining DOE/NETL, Stephen held senior consulting and R&D management positions at Fluent, Aspen Technology, and Cray Research. He currently serves as a Fellow of the American Institute of Chemical Engineers and a Trustee of the Computer Aids for Chemical Engineering. He is the recipient of numerous awards including 6 R&D100 Awards and 7 Federal Laboratory Consortium Awards for Excellence in Technology Transfer.