Paul Reffner

Paul Reffner is an experienced professional in the field of accounting and internal audit, currently serving as an Adjunct Professor of Accounting at Ohio Northern University since August 2018. Reffner's extensive career at Marathon Petroleum Corporation spans over four decades, beginning in June 1981 and including significant roles such as Retired Chief Auditor and General Manager of Internal Audit, with the latter position named in July 2011 following a company spin-off from Marathon Oil. Reffner's prior roles include Accounting Coordination and Control Manager, where responsibility included SOX 404 coordination and development of a college recruiting program, and Coordinating Manager of Brand Marketing, focusing on financial evaluations of new business opportunities. Reffner has held various positions in Accounting, Brand Marketing, Wholesale Marketing, and Pricing/Supply Distribution. Reffner holds a Bachelor of Science in Accounting from Indiana University, earned between 1977 and 1981.