Elias Greenbaum is President of GTA, Inc., a company whose mission is to expand the business model of offshore wind energy by adding hydrogen production and storage by subsea electrolyzers. GTA was among the first cohort of companies selected by the U.S. Department of Energy for participation in the H2@Scale Cooperative Research and Development Agreement (CRADA) program. He was appointed co-leader of the hydrogen production working group. He has held academic and industrial positions at the University of Tennessee and Union Carbide Corporate Research Laboratory. He is a member of the Board of Directors, California Hydrogen Business Council, and serves on the Wind Technologies Standards Committee Floating Offshore Working Group. He is a fellow of the American Physical Society and the American Association for the Advancement of Science. He is a former staff member and group leader in the Chemical Technology/Chemical Sciences Divisions at Oak Ridge National Laboratory and received the ORNL 2000 Scientist of the Year award. He is an ORNL Corporate Fellow emeritus and UT-Battelle Distinguished Inventor. He received a Ph.D. in physics from Columbia University.