Nicholson has served on the OMPA board since 2008, and became the Board Chair in 2020. He was elected Mayor of Ponca City in 2007 after a 38-year career with Conoco. As such, he has presided over a number of large projects in the city, including a new $25 million YMCA and the completion of a Comprehensive Master Plan. A past President of the Oklahoma Municipal League, he was a 2010 recipient of the Meritorious Service Award, presented by MESO. He has also been inducted into the Oklahoma Hall of Fame for City and Town Officials. Nicholson’s Board term runs to 2024.