Board of Directors

Mr. Sledge previously served as the Chief Financial Officer of Cameron International Corporation, an oilfield services company, from 2008 until its sale to Schlumberger Limited in 2016. Prior to that, he served as the Corporate Controller of Cameron International Corporation from 2001 until 2008. He currently serves on the boards of Weatherford, where he serves as chairman, Talos Energy LLC, Vine Oil and Gas LP and Expro International where he serves as non-executive chairman.

Mr. Sledge received a BS in Accounting from Louisiana State University.

Mr. Bartels is the Managing Member of Redan Advisors LLC, a firm that provides fiduciary services, including board of director representation and strategic planning advisory services for domestic and international public and private business entities. Prior to founding Redan Advisors LLC, Mr. Bartels was a senior investment professional with 20 years of experience. His professional experience includes investing in complex financial restructurings and process-intensive situations in North America, Asia and Europe in a broad universe of industries. Mr. Bartels has served as a director on numerous public and private boards of directors with an extensive track-record of driving value-added returns for all stakeholders through governance, incentive alignment, capital markets transactions, and mergers and acquisitions.

From 2002 to December 2018, Mr. Bartels served as a Managing Principal at Monarch Alternative Capital LP, a private investment firm that focused primarily on event-driven credit opportunities. Prior to Monarch, he served as Research Analyst for high yield investments at INVESCO, where he analyzed primary and secondary debt offerings of companies in various industries. Mr. Bartels began his career at PricewaterhouseCoopers LLP, where he was a Certified Public Accountant. He holds the Chartered Financial Analyst designation.

Mr. Bartels received a Bachelor of Science in Accounting with a concentration in Finance from Bucknell University.

Mr. Eifler was named President and Chief Executive Officer of Noble in May 2020. Previously, Mr. Eifler served as Senior Vice President, Commercial of the Company from August 2019 until assuming his position as President and Chief Executive Officer. Mr. Eifler served as Noble’s Senior Vice President, Marketing and Contracts from February 2019 to August 2019, and as the Company’s Vice President and General Manager-Marketing and Contracts from July 2017 to February 2019. Before that, Mr. Eifler led Noble’s marketing and contracts efforts for the Eastern Hemisphere while based in London. From November 2013 to March 2015, Mr. Eifler worked for Hercules Offshore, an offshore driller, as Director International Marketing. Mr. Eifler originally joined Noble in February 2005 as part of the management development program and held numerous operational and marketing roles with increasing responsibility around the world until joining Hercules in 2013.

Mr. Eifler received a B.S. in Systems and Information Engineering from the University of Virginia and an Acton MBA in Entrepreneurship.

Mr. Hirshberg is a Senior Advisor at Blackstone Management Partners. He joined ConocoPhillips in 2010 as its Senior Vice President, Planning and Strategy, and retired in January 2019 as its Executive Vice President, Production, Drilling and Projects, a position he held since April 2016. In this role, he had responsibility for ConocoPhillips’ worldwide operations, as well as supply chain, aviation, marine, major projects, drilling and engineering functions. Prior to joining ConocoPhillips, Mr. Hirshberg worked at Exxon and ExxonMobil for 27 years, serving in various senior leadership positions in upstream research, production operations, major projects and strategic planning. His last role at ExxonMobil was Vice President of Worldwide Deepwater and Africa Projects.

Mr. Hirshberg is currently on the boards of Falcon Minerals Corporation and McDermott International.

Mr. Hirshberg received Bachelor and Master of Science degrees in Mechanical Engineering from Rice University.

Ms. Pickard retired from Royal Dutch Shell in 2016. Ms. Pickard held numerous positions of increasing responsibility during her 15-year tenure with Shell. She last served as Executive Vice President, Arctic and was responsible for Shell’s Arctic exploration efforts. This followed three successful years as Executive Vice President of Shell’s Exploration and Production business and Country Chair of Shell in Australia where she oversaw Gas Commercialization, Manufacturing, Chemicals, Supply and Distribution, Retail, Lubricants, Trading and Shipping, and Alternative Energy. Ms. Pickard was previously Shell’s Regional Executive Vice President for Sub Saharan Africa. Based in Lagos, Nigeria, she was accountable for Shell’s Exploration & Production, Natural Gas, and Liquefied Natural Gas (LNG) activities in the region. Before that, Ms. Pickard was Director, Global Businesses and Strategy and a member of the Shell Gas & Power Executive Committee with responsibility for Global LNG, Power, and Gas & Power Strategy. Ms. Pickard joined Shell in 2000 after an 11-year tenure with Mobil prior to its merger with Exxon. Ms. Pickard has significant business experience throughout South America, Australia, the countries of the former Soviet Union, the Middle East, and Africa.

Ms. Pickard is a director of KBR, Inc., where she is the Chairman of the Health, Safety, Security, Environment and Social Responsibility Committee and a member of the Audit Committee, a director of Woodside Petroleum Ltd., where she serves as the Chairman of the Sustainability Committee, and The University of Wyoming Foundation, where she serves on the Budget/Audit Committee. In addition, Ms. Pickard is a member of Chief Executive Women. She was a member of the Advisory Council of the Eurasia Foundation and Global Agenda Council on the Arctic for the World Economic Forum. Ms. Pickard also served on the Board of Advisors of Catalyst and was a director of Westpac Banking Corporation.

Ms. Pickard holds a Bachelor of Arts degree from the University of California, San Diego and a Master of Arts degree from the University of Pennsylvania.

Ms. Trent previously served in various legal, administrative and compliance capacities for Rowan Companies plc, from 2005 until April 2017, including as an Executive Vice President, General Counsel and Chief Administrative officer from 2014 until April 2017, as Senior Vice President, Chief Administrative Officer and Company Secretary from 2011 until 2014, and as Vice President and Corporate Secretary from 2010 until 2011. Prior to her tenure at Rowan, Ms. Trent served in various legal, administrative and investor relations capacities for Reliant Energy Incorporated, served as counsel at Compaq Computer Corporation and as an associate at Andrews Kurth LLP. Ms. Trent serves on the Boards of Diamondback Energy, Inc., an oil and natural gas company, Arcosa, Inc., a company focused on construction, energy and transportation products and services, and Frank’s International, a global oil services company that provides tubular running services and fabrication and specialty well construction and well intervention solutions.

Ms. Trent holds a Bachelor’s degree from Middlebury College and a Juris Doctorate degree from Georgetown University Law Center.