Ryan worked for Oklahoma Gas & Electric from 1961 to 1997, leaving the company as Vice Chairman after serving in a variety of management and executive-level positions.
He was the owner of Proflight Aviation Services from 1998 to 2000, CEO of Laser Eye Network, Inc. from July to December 2001, and served as a consultant to St. Anthony Hospital from 2002 to 2004.
Ryan is a Registered Professional Engineer with a Bachelor of Science in Electrical Engineering from the University of Oklahoma. He also attended the Electrical Institute Graduate Utility Management School.
He has served as a board member for several local companies, non-profits and industry organizations.
Other public service activities have included serving as President of the Oklahoma City Philharmonic Society in 1997, Campaign Chairman of the Allied Arts Foundation in 1992 and President of the Saint Anthony Hospital Foundation and Chairman of the Board of the United Way of Metro Oklahoma City in 1991.