William Marko

William "Bill" Marko is a Managing Director of Jefferies & Company in the Energy Investment Banking Group. He has managed more than $33 billion of asset and corporate transactions, specializing in applying a deep understanding of the technical aspects of the oil and gas assets to the sales processes. Prior to joining Jefferies Randall & Dewey, Mr. Marko worked more than 18 years in various engineering, operations and commercial roles at Mobil Oil, followed by COO of Madison Energy Advisors, a transaction advisory firm.

With more than 28 years of industry experience in worldwide acquisition, divestment and new business development, he has evaluated transactions in all major U.S. basins and more than 40 countries.

Bill is a registered Professional Engineer in Louisiana and is an active member of IPAA, currently serving on its SE Region Board, and SPE, having previously served on the Gulf Coast Section (Houston) Board.

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Managing Director
Jefferies & Company

School of Science and Engineering, 201 Lindy Boggs Center, New Orleans, LA 70118 504-865-5764