Our Values Corporate Profile Business Development Supplier Relations Contractor Relations Royalty Relations Contact Us

Corporate Governance Calendar of Events SEC Filings Earnings Releases Quarterly Investor Packet Speeches and Presentations Stock Information Shareholder Services Annual Report Proxy Statement Fact Book Investor FAQs Email Alerts Western Oil Sands Shareholder Information

Press Releases Discover Marathon Podcasts Press Kit Media Gallery Glossary Industry Links Features

Exploration and Production Oil Sands Mining Integrated Gas Refining, Marketing and Transportation Technology Natural Gas Marketing

Marathon Stations Speedway SuperAmerica Products

Apply for a Career High School Marathon Benefits Locations

Our CSR Policy Making a Difference Our Global Partnerships Living Our Values Report Corporate Governance Health, Environment, Safety and Security Philanthropy

Garry L. Peiffer

Mr. Peiffer is senior vice president of Finance and Commercial Services for Marathon Petroleum Company LLC. He began his career with Marathon in 1974 and was appointed to his current role at Marathon Ashland Petroleum Company LLC* in 1998.

In 1992, Mr. Peiffer was named assistant controller, Refining, Marketing and Transportation for Marathon Oil Company. In 1988, he was appointed vice president of Finance and Administration for Emro Marketing Company.

In 1987, Mr. Peiffer was appointed to the U.S. President's Commission on Executive Exchange. He served for a year in the Pentagon as special assistant to the assistant secretary of defense for production and logistics. His responsibilities involved assisting the Department of Defense in developing procedures for performing economic analysis of energy project investments, as well as helping improve the Department's natural gas acquisition program.

In 1986, Mr. Peiffer was named manager of the Marketing and Supply Accounting department in R&M Accounting. Between 1980 and 1985, he served in numerous other marketing positions including manager of Planning and Analysis for marketing operations and Southeastern area manager within Marathon's Terminal and Transport department. In 1979, he became the controller of Speedway Petroleum Company. In 1977, he became supervisor of Employee Savings and Retirement plans. He began his career with Marathon in 1974 as an associate auditor in the Auditing division.

Mr. Peiffer graduated magna cum laude from Bowling Green State University, Ohio, with a bachelor's degree in accounting in 1974. He also passed the certified public accountant (C.P.A.) examination in Ohio in 1974.

Mr. Peiffer is a member of the Blanchard Valley Health Foundation Board of Trustees and Investment & Insurance Committee; the Blanchard Valley Port Authority Board; the Fifth Third Bank (Northwestern Ohio) Board of Directors; and the Findlay-Hancock County Community Foundation Board of Trustees and Finance & Investment Committee and also serves as treasurer.

*Name changed to Marathon Petroleum Company LLC, Sept. 1, 2005