John Bretz
Anadarko Energy Services Company

John Bretz is vice president of gas marketing for Anadarko Energy Services Company.  John’s prior experience includes business development, marketing, and trading responsibility with Duke Energy, Union Pacific, Natural Gas Clearinghouse, and Chevron.  He also held various operations and engineering assignments with Chevron and Gulf Oil.  John received his B.S. in chemical engineering and M.B.A. from Tulane University.