A 1970 graduate of SBU, Maupin earned a double major in mathematics and business. He also earned two masters degrees, in accounting and statistics, from the University of Missouri-Columbia.
Maupin has had extensive experience as finance manager for Access Industries from 1990-92 and finance and operations manager for Weyerhaeuser in Kansas City from 1994-1999. He also taught accounting at DeVry Institute of Technology in Kansas City from 1990-92 and was an independent CPA. From 1982-90, Maupin served as the chief financial officer for J&J Holding Company in Paola, Kan.
From 1992 to 1999, Maupin served on the SBU Board of Trustees and once served as vice chairman of the finance committee.
He and his wife, Sandra, have two children.