Our Leadership

Driving us forward

Our leadership is comprised of dedicated, honest, and inspiring individuals.

Together, they are responsible for leading Weatherford to new heights.

Karl Blanchard

Interim Chief Executive Officer, Executive Vice President and Chief Operating Officer

Karl Blanchard is the Executive Vice President and Chief Operating Officer of Weatherford. He assumed this position in August 2017. In his role at Weatherford, Karl oversees all region and product line operations, QHSE, sales, engineering, R&D, and supply chain.

Karl brings with him a career of significant achievement and valuable insight gained from more than 35 years in the oil and gas service industry. He served as Chief Operating Officer for Seventy Seven Energy where he was responsible for the drilling, hydraulic fracturing, and rental tool business units, as well as key support functions. As part of Seventy Seven’s leadership team, he successfully transitioned the company into a stand-alone publically traded company, executed cost management initiatives, and implemented a structured process focused on developing in-house leadership talent. These accomplishments resulted in Seventy Seven’s successful merger with Patterson-UTI, creating the second largest land driller and top five pressure pumping company in the United States.

Prior to Seventy Seven Energy, Karl spent more than 30 years at Halliburton where he was responsible for a significant portion of the company’s flagship product service lines, including production enhancement, cementing, and testing and subsea. He also served as Country Vice President of Halliburton Indonesia.

Karl has a Bachelor of Science degree in engineering from Texas A&M University and is a member of the Society of Petroleum Engineers.

Steven F. Carvalho

Vice President of Tax

Steven “Steve” Carvalho is the Vice President of Tax. He is responsible for all areas of tax, including global tax planning and compliance.

Steve began his tenure at Weatherford at the beginning of 2013 as the Assistant Vice President of Tax Operations, and was promoted to Vice President of Tax in 2018. During his tenure at Weatherford, he built the Company’s tax operations group from the ground up and led its remediation efforts to address material weakness in tax.

From 2002 to 2012, Steve performed several roles at PricewaterhouseCoopers including Consultant, Manager, and finally, Tax Director. He started his career with Arthur Andersen LLP. While in consulting, Steve served a full spectrum of clients from large multinational corporations to startup technology and life science companies. He has over 20 years’ experience in multinational taxation for large public companies in the areas of tax planning, tax compliance, and tax accounting.

Steve graduated from the University of Rhode Island with a degree in Accounting, and from Suffolk University Law School with a Law degree. He is admitted to the Bar in the Commonwealth of Massachusetts and is a member of the Massachusetts Bar Association.

He is married with three boys. In addition to spending time with his family, Steve enjoys running, hiking and other outdoor activities.

Ellen Chin

Senior Vice President & Chief Human Resource Officer

In this role, Ellen leads the global human resources function across all geozones and global product lines in addition to all corporate functions. Ellen is a member of the Diverse and Inclusive Committee where she helps ensure a talent management culture that provides our employees with the opportunity to bring their true selves to work.

Ellen joined Weatherford in 2012 and has held various roles in Human Resources, including Vice President of Human Resources for the Western Hemisphere.

Ellen is a business-minded professional with more than 25 years of executive leadership experience. Before Weatherford, Ellen served as the Global Director of Compensation, Benefits, Talent Management and HR Systems at Ascend Performance Materials. She was also the Western Hemisphere Director of Compensation and Benefits at Baker Hughes. She started her career in various consulting roles at AonHewitt and TowersWatson, assisting clients with HR transformations, developing Total Rewards strategies, and implementing state-of-the-art HR technologies and communications solutions.

Ellen holds a Bachelor of Business Administration degree in Management Information Systems from the McCombs School of Business at the University of Texas at Austin. She is married with three teenagers.

Stuart Fraser

Vice President, Chief Accounting Officer

Stuart Fraser is the Vice President, Chief Accounting Officer at Weatherford.

In this role, Stuart oversees the accounting and financial reporting functions for the Company and has been responsible for supporting the recent capital market transactions to reduce the debt ratio and streamline the cost structure in one of the most challenging markets in recent history.

Stuart joined Weatherford in 2015 and has served in various senior financial roles including Vice President and Corporate Controller and Vice President of Finance and Purchasing, Sourcing and Logistics. Before his role at Weatherford, he served a 19-year career with Schlumberger Ltd., where he held senior financial positions in global and regional capacities in the US, France, Angola, Malaysia, and Indonesia across a number of business segments covering operations, internal audit, taxation, supply chain, and transformation.

Stuart is a Chartered Accountant and holds a Bachelor of Business degree from the Edith Cowan University in Australia.

H. Keith Jennings

Executive Vice President and Chief Financial Officer

Keith has over 25 years of financial experience, including the oilfield service and equipment industry. He joins Weatherford from Calumet Specialty Products Partners L.P. where he served as Executive Vice President and Chief Financial Officer. Prior to that he served successively as Vice President, Finance and Vice President and Treasurer for Eastman Chemical Company.  Prior to this, Keith was Vice President and Treasurer of Cameron International Corporation. Earlier in his career, he held progressively responsible finance leadership roles in Alghanim Industries, PepsiCo, Inc., Ingersoll-Rand and Monsanto. Keith holds a Bachelor of Commerce Degree from the University of Toronto and an MBA from Columbia University.

Scott C. Weatherholt

Executive Vice President, General Counsel and Chief Compliance Officer

Scott C. Weatherholt brings more than 16 years of experience as a corporate attorney handling complex legal matters affecting public and private E&P companies. Prior to joining Weatherford, Mr. Weatherholt served Arena Energy and its affiliates as Senior Vice President and General Counsel with a focus on offshore Gulf of Mexico Shelf E&P activities. Previously, as an Executive Vice President, General Counsel and Corporate Secretary at Midstates Petroleum, Mr. Weatherholt managed the company's legal affairs and provided strategic counsel to the board and senior management, handling legal oversight of a merger with Amplify Energy,  and a large debt-for-debt recapitalization. Previously, he spent 10 years at Samson Resources, where he was Assistant General Counsel of operations, responsible for operational legal, land and regulatory issues for the Permian Basin, Eagleford, Mid-Continent, Haynesville/Cotton Valley, Powder River, Green River and Bakken business units. Mr. Weatherholt began his career at the Oklahoma-based law firm Pray Walker as an associate in the energy practice group, focusing on oil and gas litigation. He holds a law degree from the University of Oklahoma, where he also completed a B.B.A. in Finance.