2023 IADC OFFICERS
ANDY HENDRICKS, CHAIR
Mr. Hendricks has served as President and Chief Executive Officer of Patterson-UTI since October 2012 and as a director of Patterson-UTI since June 2017. From April 2012 through September 2012, he served as Chief Operating Officer of Patterson-UTI. From May 2010 through March 2012, Mr. Hendricks served as President of Schlumberger Drilling & Measurements, a division of Schlumberger. Prior to that date, Mr. Hendricks worked for Schlumberger in various worldwide locations and capacities since 1988, including serving in numerous executive positions since 2003. Mr. Hendricks is a past Chair and member of the Executive Committee for the International Association of Drilling Contractors and a member of the Society of Petroleum Engineers. Mr. Hendricks holds a Bachelor of Science in Petroleum Engineering from Texas A&M University.
LEIF NELSON, VICE CHAIR
Leif Nelson has served as Seadrill Management’s Executive Vice President and Chief Operating and Technology Officer since June 2015. Mr. Nelson has been with Seadrill since 2011 and he has over 25 years’ experience in the drilling industry.
Prior to joining Seadrill, Mr. Nelson held various operational positions around the globe for Transocean Ltd. Mr. Nelson is a graduate of the Colorado School of Mines with a BSc in Petroleum Engineering. Mr. Nelson is a US citizen and resides in the United Kingdom.
JEREMY THIGPEN, PAST CHAIR
Mr. Thigpen joined Transocean as the company’s CEO in April 2015. He previously served as Senior Vice President and Chief Financial Officer at National Oilwell Varco, where he spent 18 years. During his tenure at NOV, Mr. Thigpen spent five years as the company’s President of Downhole and Pumping Solutions business and four years as President of its Downhole Tools group. He also served in various management and business development capacities, including Director of Business Development and Special Assistant to the Chairman. Mr. Thigpen earned his Bachelor of Arts in Economics and Managerial Studies from Rice University and completed the Program for Management Development at Harvard Business School.
SCOTT MCREAKEN, SECRETARY/TREASURER
Northern Ocean Ltd.
Mr. Scott McReaken was appointed Chief Executive Officer of the Northern Drilling and Northern Ocean Groups in December 2018. Prior to this appointment Mr. McReaken has been a part of the Seadrill group companies since 2012, where he served as Chief Executive Officer and Director of Sevan Drilling Ltd and Chief Financial Officer of North Atlantic Drilling Ltd.
Mr. McReaken has almost 20 years of experience in the offshore drilling industry, which includes various leadership roles in the United States, North Sea, West Africa and South America. Mr. McReaken began his career at Arthur Andersen LLP and is a Certified Public Accountant and Certified Internal Auditor.
He holds a degree in business administration from The University of Texas at Austin and is a US citizen residing in Houston, Texas.