William A Marko

William A. Marko is currently a Senior Advisor at Jefferies LLC and has served as a Managing Director since 2004. Prior to this, they held the position of COO and VP of Business Development at Madison Energy Advisors from 2000 to 2004. Their earlier career includes roles in Engineering and Acquisition/Divestment at Mobil Oil from 1980 to 1998 and serving as Vice President of Business Development at Sterling Consulting Group from 1998 to 2000. William holds both a BS and MS in Mechanical Engineering and Petroleum Engineering from Tulane University, where they studied from 1977 to 1983.