Governance - Officers

Highlights | Officers | Directors | Committee Composition
Mark S. Siegel
Chairman of the Board and Director
Mark S. Siegel
Chairman of the Board and Director


Mr. Siegel has served as Chairman of the Board and as a director of Patterson-UTI since May 2001. Mr. Siegel served as Chairman of the Board and as a director of UTI from 1995 to May 2001, when UTI merged with and into Patterson-UTI. Mr. Siegel has been President of REMY Investors & Consultants, Incorporated (“REMY Investors”) since 1993. From 1992 to 1993, Mr. Siegel was President, Music Division, Blockbuster Entertainment Corp. From 1988 through 1992, Mr. Siegel was an Executive Vice President... 
William A. (Andy) Hendricks, Jr.
President and Chief Executive Officer
William A. (Andy) Hendricks, Jr.
President and Chief Executive Officer


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... 
C. Andrew Smith
Executive Vice President and Chief Financial Officer
C. Andrew Smith
Executive Vice President and Chief Financial Officer


C. Andrew Smith – Mr. Smith has served as Executive Vice President and Chief Financial Officer since September 2017. From April 2014 until September 2017, Mr. Smith served as Executive Vice President and Chief Financial Officer of Kirby Corporation, a marine transportation and diesel engine services company. Mr. Smith served as Executive Vice President – Finance of Kirby Corporation from January 2014 to April 2014. Prior to joining Kirby Corporation, Mr. Smith served as Senior Vice President ... 
Kenneth N. Berns
Executive Vice President and Chief Commercial Officer
Kenneth N. Berns
Executive Vice President and Chief Commercial Officer


Mr. Berns has served as Executive Vice President and Chief Commercial Officer of Patterson-UTI since May 2017. Mr. Berns served as Senior Vice President of Patterson-UTI from April 2003 to May 2017 and as a director of Patterson-UTI from May 2001 to June 2017. Mr. Berns served as a director of UTI from 1995 to May 2001. Mr. Berns has been an executive with REMY Investors since 1994. Mr. Berns holds a Bachelor’s Degree in Business Administration from San Diego State University and a Master’s Degr... 
Seth D. Wexler
Senior Vice President, General Counsel & Secretary
Seth D. Wexler
Senior Vice President, General Counsel & Secretary


Mr. Wexler has served as Senior Vice President, General Counsel and Secretary of Patterson-UTI since February 2017. Mr. Wexler served as General Counsel and Secretary of Patterson-UTI from August 2009 to February 2017. From March 1998 to August 2009, he specialized in securities law and mergers and acquisitions for the law firm of Norton Rose Fulbright US LLP, including as a partner of such law firm since January 2007. Mr. Wexler holds a Bachelor of Business Administration in Finance from the Un...