Stephen J. Callahan is EVP for Grid Modernization and CMO at GridBright, Inc. In his 40 years of experience in utility industry management and consulting, he has led the creation of business and technology strategies and integrated complex processes and systems for several top global utility clients. Mr. Callahan held leadership positions at PG&E, PwC, and IBM before GridBright. He is a GridWise Alliance (GWA) Board Member and DistribuTECH Advisory Committee, member. He holds degrees in applied physics and mechanical engineering from Ga. Tech.