The Association is governed by its Board of Directors, comprised of employees of Drilling Contractor member companies who are elected annually. Responsibilities include confirming annual appointment of IADC’s Officers, reviewing significant organizational changes, and approving annual budget.

The Executive Committee consists of up to 21 Directors and leads the overall direction of the Association, including objectives, structure and operations, making recommendations to the Board of Directors as needed.

Advisory Panels are formed to evaluate issues affecting Members and report those issues to the Executive Committee for consideration and action.

IADC Officers & Executive Committee

2025 IADC OFFICERS

KEVIN NEVEU, CHAIR

Precision Drilling Corporation

Kevin Neveu is President, Chief Executive Officer and a Director of Precision Drilling Corporation and has held these positions since joining the company in 2007. Mr. Neveu has 43 years of experience in the oilfield services sector holding various technical, marketing, and management positions over his career. Mr. Neveu holds a Bachelor of Science degree in Mechanical Engineering and is a graduate of the University of Alberta and is a registered Professional Engineer in the province of Alberta. He has also completed the Harvard Advanced Management Program in Boston, Massachusetts.

BRAD JAMES, IMMEDIATE PAST CHAIR

Enterprise Offshore Drilling

Mr. James has served as founding President, CEO and Board Member of Enterprise Offshore Drilling LLC since 2016. He previously served as Sr. Vice President – Marketing of Hercules Offshore from 2006 through 2016 and was responsible for managing worldwide marketing activity for Hercules drilling divisions. Prior to that he held various leadership roles at Transocean Offshore (including R&B Falcon and Cliffs Drilling), was founding President of Field Drilling Company and Vice President of Southland Drilling. He currently serves on the IADC Executive Committee and is a board member of IADC Drillers PAC and is a former Chairman of the IADC Houston Chapter. Mr. James obtained a Bachelor of Business Administration degree from Southwest Texas State University in 1981.

RODDIE MACKENZIE, VICE CHAIR

Transocean

Named to his current position in February 2022, Mr. Mackenzie is responsible for identifying innovative technologies that create demonstrable value for Transocean’s customers and differentiate Transocean from its competitors in addition to leading Transocean’s Marketing organization. Mr. Mackenzie served previously as Senior Vice President, Marketing, Innovation and Industry Relations; Vice President, Marketing and Contracts; Managing Director, Business Development and Strategic Accounts, and as a Marketing Director with increasing roles of responsibility in the United States, France, and Dubai. He brings over 20 years of industry experience and prior to his time in Marketing, Mr. Mackenzie served in various operational and project roles around the globe, starting his career at Transocean as a rig-based engineer in 1997. He has worked on all manner of drilling rigs in Algeria, Nigeria, Cameroon, Angola, Brazil, and the US Gulf of Mexico.

Mr. Mackenzie currently serves as Vice President for Offshore Division of the International Association of Drilling Contractors and on various committees for the Offshore Energy Center.

Mr. Mackenzie graduated from the Harvard Business School Advanced Management Program in 2016 and received his bachelor’s degree from the University of Strathclyde in Civil Engineering with Environmental Studies in 1997.

JENNIFER YEUNG, SECRETARY/TREASURER

Noble Corporation

Ms. Yeung was named Vice President, Chief Accounting Officer and Controller of Noble in November 2023. Prior to joining Noble, she served at Ernst & Young LLP, an accounting and professional services firm, in various roles of increasing responsibility since January 2007. Most recently, Ms. Yeung served as Audit Managing Director from October 2020 through September 2023, and as Audit Senior Manager from July 2014 through October 2020, serving clients across a range of industries including offshore drilling.

Ms. Yeung is a certified public accountant and received a Bachelor of Accountancy and a Bachelor of Business Administration, Finance from Loyola University.

LEE WOMBLE, DIVISION VP DRILLING SERVICES

SLB

Lee Womble is Vice President and Global Accounts Director for SLB with global responsibility for drilling contractor accounts over all SLB divisions and basins.

He joined Cameron Iron Works in 1988 as a Product Design Engineer after receiving his Bachelor of Science degree in Mechanical Engineering from the University of Texas at Austin. Lee received his registered Professional Engineer license from the State of Texas in 1993 and obtained his first patent in 1994. He has since managed engineering, repair operations, manufacturing, field service and sales.

Mr. Womble has since held numerous positions throughout his 36-year career such as Design Engineer, Repair and Sales Mgr., Regional Manager, Director and now Vice President since 2007. He has lived in locations such as the US, Saudi Arabia, Egypt, Indonesia, and Malaysia. Lee has served on committees for API, AADE, IADC and The Joint Industry Task Force. He is currently focused on help SLB lead in technology, performance, and customer centricity.

GENE STAHL, DIVISION VP NORTH AMERICA ONSHORE

Precision Drilling Corporation

Gene Stahl was appointed as President, North American Drilling in 2023 and previously held the position of Chief Marketing Officer since 2019. Since joining Precision Drilling in 1993, Mr. Stahl has progressed his way through the organization holding several positions with increasing responsibility, including Contracts, Investor Relations, Engineering, Manufacturing, Rig Construction, Procurement, Field Training and Development, and Health, Safety and Environment (HSE). Mr. Stahl holds a Bachelor of Arts degree in Economics from the University of Calgary and is a graduate of the Harvard Business School, Advanced Management Program.

JON RICHARDS, DIVISION VP OFFSHORE

Noble Corporation

Jon Richards currently serves as Vice President Operations for Noble Corporation. He previously served as Senior Vice President of Worldwide Operations for Diamond Offshore. Mr. Richards joined Diamond Offshore in 1997 and has over 27 years of experience in the offshore drilling industry.

Jon started his career as an Operations Development Trainee with Diamond and has since held various leadership roles and responsibilities managing operations in the United States, United Kingdom, West Africa, and Brazil. Jon holds a degree in Business Management from Texas Tech University and participates in various roles as a member of the IADC. In his free time, Jon enjoys spending time outdoors with his family and volunteering with youth sports.

JIM NOWOTNY, DIVISION VP INTERNATIONAL ONSHORE

Helmerich & Payne

Jim Nowotny is the Vice President International and Offshore Business Development at Helmerich & Payne.  He has extensive domestic and international leadership experience in multiple areas of the offshore and land drilling industry, including marketing and business development, commercial and technical contracts, operations, manufacturing, and engineering.  He has worked in the energy industry since 1995.

Prior to joining Helmerich & Payne, he worked for an international oil field equipment manufacturer.  There he was responsible for four manufacturing business units within Canada and the USA.  He oversaw all aspects of business operations, including the manufacturing, engineering, and business development groups. Jim also worked for over 16 years in various roles for Atwood Oceanics, an international offshore drilling contractor.  He worked in increasing roles of responsibility in the areas of engineering, operations, marketing, and business development.

Jim has a Bachelor of Science degree in mechanical engineering from Texas A&M University and has completed several executive education courses at Columbia Business School, Harvard Law School and Kellogg School of Management at Northwestern University.

2025 Executive Committee

• ANTON DIBOWITZ, Valaris plc, Houston, Texas
• BRAD JAMES, Enterprise Offshore Drilling, Houston, Texas
• CHRIS MENEFEE, Unit Drilling Company, Oklahoma City, Oklahoma
• CHRISTOPHER MCDONALD, ADNOC, Abu Dhabi, UAE
• DAN HOFFARTH, Citadel Drilling Ltd., Odessa, Texas
• GENE STAHL, Precision Drilling Company, Houston, Texas
• IHAB TOMA, Vantage Drilling International, Dubai, UAE
• JAMES “JIM” NOWOTNY, Helmerich & Payne IDC, Tulsa, Oklahoma
• JOHN “JAY” W. NORTON, Norton Energy Drilling, Lubbock, Texas
• JENNIFER YEUNG, Noble Corporation, Houston, Texas
• JON RICHARDS, Noble Corporation, Houston, Texas
• KEVIN NEVEU, Precision Drilling Company, Houston, Texas
• LEE WOMBLE, SLB, Houston, Texas
• MIKE GARVIN, Patterson-UTI Drilling Company LLC., Houston, Texas
• PATRICK SCHORN, Borr Drilling Management UK Ltd., London, UK
• ROBERT “BOB” GEDDES, Ensign Energy Services, Calgary, Canada
• ROBERT EIFLER, Noble Corporation plc, Sugar Land, Texas
• RODDIE MACKENZIE, Transocean Ltd., Houston, Texas
• SIMON DREW, KCA Deutag Drilling Ltd., Aberdeen, Scotland
• SIMON JOHNSON, Seadrill Ltd., Houston, Texas