Executive Management

Dr. Thomas Burke became President and Chief Executive Officer, and a member of the Board of Directors, in April 2019 in connection with the EnscoRowan combination. Previously, he served as Rowan’s President and Chief Executive Officer as well as a director since April 2014. He served as Rowan’s Chief Operating Officer beginning in July 2011 and was appointed President in March 2013. Dr. Burke first joined Rowan in December 2009, serving as Chief Executive Officer and President of LeTourneau Technologies until the sale of LeTourneau in June 2011. From 2006 to 2009, Dr. Burke was a Division President at Complete Production Services, an oilfield services company, and from 2004 to 2006, served as its Vice President for Corporate Development. He serves on the executive committee of the International Association of Drilling Contractors. Dr. Burke received his PhD in Engineering from Trinity College, the University of Oxford, a Bachelor of Science in Engineering with Honors from Heriot-Watt University in Scotland, and an MBA from Harvard Business School, where he was awarded a Baker Scholarship.

Jonathan Baksht became Executive Vice President - Chief Financial Officer in connection with the EnscoRowan combination. Previously, he served as Ensco’s Senior Vice President - Chief Financial Officer since November 2015, and as Vice President - Finance and Vice President - Treasurer before his appointment as Chief Financial Officer. Prior to joining Ensco, Mr. Baksht served as a Senior Vice President at Goldman, Sachs & Co. within the Investment Banking Division where he served as a financial advisor to energy clients, oilfield services lead and a member of the Merger & Acquisitions Group. Prior to joining Goldman Sachs in 2006, he consulted on strategic initiatives for energy clients at Andersen Consulting. Mr. Baksht holds a Master of Business Administration from the Kellogg School of Management at Northwestern University and a Bachelor of Science with High Honors in Electrical Engineering from the University of Texas at Austin.

Elizabeth Darby became Acting General Counsel and Chief Compliance Officer in June 2021. Previously, she served as Chief Compliance Officer since 2018 and as Ensco’s Senior Counsel and Assistant Secretary from 2015 until 2018. She joined Ensco in 2011 in connection with the Pride International acquisition, where she had been a member of the legal team since 2004. Throughout her tenure, Ms Darby has served as Chief Counsel, Corporate and Securities; Senior Securities and Compliance Counsel; and Senior Counsel. Before joining Pride International, Ms Darby was an associate in the Corporate & Securities section of Bracewell & Patterson. She holds a Doctor of Jurisprudence from Vanderbilt University Law School and graduated magna cum laude from Mississippi University for Women.

Gilles Luca became Senior Vice President and Chief Operating Officer in December 2019. Previously, he served as Senior Vice President, Operations Support. He joined Ensco in 1997 and prior to his current position, served as Senior Vice President - Western Hemisphere since December 2014. Mr. Luca also served Ensco as Vice President - Business Development and Strategic Planning, Vice President - Brazil Business Unit and General Manager - Europe and Africa. Before joining Ensco as an Operations Engineer in The Netherlands, Mr. Luca was employed by Foramer Drilling and Schlumberger with assignments in France and Venezuela. He holds a Master Degree in Petroleum Engineering from the French Petroleum Institute and a Bachelor in Civil Engineering.

Alan Quintero became Senior Vice President – Business Development in April 2019 in connection with the EnscoRowan combination. Previously, he served as Rowan’s Senior Vice President, Business Development since 2018, after joining Rowan as Senior Vice President, Chief Technology Officer in 2017. Prior to joining Rowan, Mr. Quintero was a Partner at Trenegy Incorporated, a management consulting firm, and spent more than 20 years in various operational and managerial roles for international offshore drilling companies including serving as Senior Vice President, Operations at Transocean. Mr. Quintero received a Bachelor of Science in Mechanical Engineering from Texas A&M University. He also received education at Heriot-Watt University, Columbia University, Harvard University and the Wharton School of Business.

Jack Winton became Vice President – Corporate Strategy & Integration in April 2019 in connection with the EnscoRowan combination. He joined Rowan in August 2016 and prior to his current position, served as Vice President, International Jackup Operations since June 2017, after serving as General Manager of Trinidad operations. Prior to joining Rowan, Mr. Winton spent over 20 years in several international operational and managerial roles for KCA Deutag including serving as President, Operations for the firm. Mr. Winton holds a Bachelor of Science in Biology with Honors from the University of London and a Master of Science Degree in Offshore Engineering from the Robert Gordon University.