OFFICERS

Lee Tillman
Chairman
Lee Tillman is chairman, president and CEO of Marathon Oil Corporation and chairman of the Marathon Oil Corporation Board of Directors. He joined the Company in August 2013.
Prior to joining Marathon Oil, Lee served as vice president of engineering for ExxonMobil Development Company (a project design and execution company), where he was responsible for all global engineering staff engaged in major project concept selection, front-end design and engineering. He served as North Sea production manager and lead country manager for subsidiaries of ExxonMobil in Stavanger, Norway, from 2007 and 2010, and as acting vice president, ExxonMobil Upstream Research Company from 2006 to 2007. Lee began his career in the oil and gas industry at Exxon Corporation in 1989 as a research engineer and has extensive operations management and leadership experience that has included assignments in Jakarta, Indonesia; Aberdeen, Scotland; Stavanger, Norway; Malabo, Equatorial Guinea; Dallas and New Orleans.
Lee is a board member of the American Petroleum Institute and Chairman of the American Exploration & Production Council. He is a member of Chemical and Engineering Advisory Councils of Texas A&M University and is a member of the National Petroleum Council and the Society of Petroleum Engineers. He serves on the board of directors of the American Heart Association and is a member of the Celebration of Reading Committee within the Barbara Bush Houston Literacy Foundation, and a member of the advisory board of Spindletop Charities.
Lee earned a Bachelor of Science in chemical engineering from Texas A&M University and a Ph.D. in chemical engineering from Auburn University.

Anne Bradbury
CEO
Anne Bradbury is CEO of the American Exploration & Production Council (AXPC) whose membership is composed of 28 of America’s premier independent natural gas and oil exploration and production companies. Anne joined AXPC from the Duberstein Group, where she was a Partner. Prior to the Duberstein Group, Anne served as a top leadership aide for over a decade for some of the most important leaders in Congress.
Anne served as Floor Director to two successive Speakers of the House of Representatives: House Speaker Paul Ryan (R-WI) and House Speaker John Boehner (R-OH). In her capacity as Floor Director, Anne guided the House majority’s floor operations and advised the entire Republican leadership team on legislative strategy and policy development. Anne’s role as one of the Speaker’s most important advisers was expansive, from serving as the Speaker’s liaison to the House Rules Committee and Senate floor staff, to advising the entire House Republican leadership team, House committees, its members and staff on the rules and procedures of the House of Representatives.
As one of the top legislative strategists and technicians in Congress, Anne was instrumental in the implementation and adoption of major rules packages and legislative initiatives ranging from reforms to national security and intelligence policy to health care, energy, transportation, trade, education and energy policy initiatives introduced and passed by the House of Representatives.
Anne managed the floor elections for Speaker of the House a total of four times, helping elect House Speaker John Boehner three times and House Speaker Paul Ryan to his first term.
Prior to her role as Floor Director for Office of the Speaker, Anne served as Deputy Floor Director in the Office of the Majority Leader and the Office of the Minority Leader. Prior to joining the leadership staff of those offices, Anne served as Legislative Director to Rep. Charles Boustany (R-LA).
Anne also serves on the board of the Congressional Institute and the Eluna Network.
Board of Directors
Kevin Ellis
Antero Resources
John J. Christmann IV
Apache Corporation – President and CEO
Jeff Fisher
Ascent Resources – Chairman and CEO
Eric Greager
Baytex Energy – President and CEO
Joe Gatto
Callon Petroleum – President and CEO
Nick Dell’Osso (Member of the Executive Committee)
Chesapeake Energy Corporation – President and CEO
Danny Brown
Chord Energy – President and CEO
Chris Doyle
Civitas Resources – President and CEO
Nick Olds
ConocoPhillips – Senior Vice President, Global Operations
Thomas E. Jorden (Member of the Executive Committee)
Coterra Energy Inc. – President and CEO
Craig Bryksa
Crescent Point Energy Corp. – President and CEO
Rick Muncrief
Devon Energy Corporation – President and CEO
Travis D. Stice (AXPC Vice Chairman and Member of the Executive Committee)
Diamondback Energy, Inc. – CEO
Rusty Hutson
Diversified Energy – CEO
Hardy Murchison
Encino Acquisition Partners – CEO
Ian Dundas (Member of the Executive Committee)
Enerplus Resources (USA) Corporation – President and CEO
Pamela Roth
EOG Resources, Inc. – VP, Government Relations
Toby Rice (Member of the Executive Committee)
EQT – President and CEO
John Reinhart
Gulfport Energy Corporation – President & CEO
Greg Lalicker
Hilcorp – CEO
Greg Hill
Hess – President and COO
Thomas M. Hart III
Jonah Energy – President and CEO
Lee Tillman (AXPC Chairman and Member of the Executive Committee)
Marathon Oil Corporation – Chairman, President and CEO
Ken Waits
Mewbourne Oil Company – President and CEO
Brendan McCracken (Member of the Executive Committee)
Ovintiv, Inc. – President and CEO
James Walter
Permian Resources – Co-CEO
Richard P. Dealy
Pioneer Natural Resources Company – President and COO
Christopher Valdez
PureWest Energy – CEO
Dennis Degner
Range Resources – President CEO
Justin Loweth
Seneca Resources Corporation – President
Herb Vogel
SM Energy Company – President and CEO
William J. Way
Southwestern Energy Company – President and CEO
Jason Pigott
Vital Energy – CEO
Bart Cahir
XTO Energy, Inc. – Senior Vice President