Gary A. Miller


Gary Miller is president and chief executive officer of GreyStone Power Corporation, an electric distribution cooperative in Douglasville, Georgia. Mr. Miller is a director for GRESCO Utility Supply, an electric material supplier, and for the Douglas County Development Authority in Douglasville, Georgia. He also serves on the board of the Community Assurance Captive, the Hospital Authority of Douglas County and Wellstar Health System, where he was a past chair. He is an alternate director of Georgia Electric Membership Corporation, a statewide trade organization, and an alternate director and advisory board member of Georgia Transmission Corporation and Oglethorpe Power Corporation. 

Mr. Miller was appointed to the CoBank board in 2006, was elected to the board in 2013 and served through 2017. He rejoined the CoBank board in 2020 and is a member of the Audit Committee. 

He earned a bachelor’s degree in business administration - finance from the University of North Georgia, and a juris doctor degree from Georgia State University. He is also a certified public accountant.