2012 IADC Officers

Dan Rabun, Chairman
Ensco

Daniel W. Rabun is chairman of the Board, president and chief executive officer of Ensco. He joined the company in March 2006 as president and director. He was appointed chief executive officer and chairman of Ensco’s Board of Directors in 2007. Before joining Ensco, Mr Rabun was a partner at the international law firm of Baker & McKenzie LLP, where he practiced law for 20 years. He is a certified public accountant and holds a BBA in accounting from the University of Houston and a JD degree from Southern Methodist University.

David Williams, Vice Chairman
Noble Drilling

David Williams was named chairman, president and CEO of Noble in 2008. He served as senior vice president – business development of Noble Drilling Services from September 2006 to January 2007, as senior vice president – operations of Noble Drilling Services from January to April 2007, and as senior vice president and chief operating officer of Noble from April 2007 to January 2008. Prior to September 2006, Mr Williams served for more than five years as executive vice president of Diamond Offshore Drilling.

Mr Williams holds a bachelor of business administration degree in marketing from Texas A&M University.

Scott Daniels, Secretary-Treasurer
Atwood Oceanics

Scott Daniels has more than 15 years of experience in the financial, consulting and oil and gas industries. He currently serves as the director of financial reporting at Atwood Oceanics and has held this position since December 2010. He joined Atwood Oceanics in 2007 and worked in successive roles as the head of the internal audit department, senior manager – financial services and assistant controller. Prior to joining Atwood, he spent more than 10 years at PricewaterhouseCoopers, working primarily in the oil and gas and energy industries.

He holds a BBA in accounting from Texas State University and has been a certified public accountant since 1997.

Thomas Burke, Vice President – Offshore Division
Rowan Companies

As the recently appointed COO at Rowan Companies, Thomas Burke is responsible for all of the company’s drilling operations, as well as sales and marketing. Dr Burke joined Rowan in December 2009 as President and CEO of LeTourneau, Rowan’s recently divested manufacturing subsidiary. Prior to that, he held positions at several companies, including McKinsey & Company, Complete Production Services and Schlumberger Limited.

Dr Burke received a BEng in Mechanical Engineering with Honors from the Heriot-Watt University, a PhD (DPhil) in Engineering Science from Trinity College the University of Oxford and an MBA with High Distinction (Baker Scholar) from Harvard Business School.

Ronnie Witherspoon, Vice President – Land Division
Superior Well Services

Ronnie Witherspoon is president of Superior Well Services, a Nabors company. He began his career with Schlumberger, providing logging services to clients in the Gulf of Mexico. He joined Nabors following graduate school and has held various positions within the company, including project manager, manager of contracts and marketing, district manager of Arkoma, district manager of East Texas and VP of the Northern Division. Most recently he was senior vice president of marketing and business development for Nabors Drilling USA.

Mr Witherspoon holds an MBA in finance and MSMIS from the University of Oklahoma and has taken advance graduate finance courses at New York University. He also serves as a board member for The Center of Hearing and Speech in Houston.

David Reid, Vice President – Drilling & Well Services Division
National Oilwell Varco

David Reid is the senior vice president of global accounts and chief sales officer at National Oilwell Varco (NOV) and is responsible for leading the NOV sales and marketing organizations toward strategic growth. He is charged with developing the market and strategic engine of NOV to offer their customers a most valued position in their relative markets.

Mr Reid joined Varco International 20 years ago. He began in the service end of the business and has lived in Scotland, California and Houston while working worldwide in a number of roles covering business development, product development, leadership and management.

He has provided key contributions to the development of today’s top drives, pipe-handling, iron roughnecks, blowout preventers, integrated drilling systems and automation. He has led the introduction of modern drilling system design in offshore drilling rigs and has had an active role in the industry as a voice in addressing change in design, as well as business models.

Mr Reid serves on the NOV and Schlumberger IntelliServ Joint Venture Board. He also serves as the chairman of the IADC Advanced Rig Technology Committee and is a founding member of the SPE Drilling Systems Automation Technical Section.

Dr Lee Hunt, IADC President

Dr Lee Hunt serves as the chief executive of IADC, responsible for managing IADC’s worldwide operations. Before being named president in 1990, his prior association positions included manager for state government affairs, environmental affairs and human resources. Dr Hunt holds a PhD in political science from Northwestern University and received his law degree from South Texas College of Law.

Brian Petty, IADC Executive Vice President, Government Affairs

Brian Petty is IADC’s executive vice president for government affairs, based in Washington, DC, where he directs the drilling and oilfield service industry’s global government affairs program. He formerly served as the State of Texas Energy Counsel in Washington and was an officer with the international investment banking firm of Warburg Paribas Becker, heading its Houston office. This followed his association with the law firm of Mudge Rose Guthrie & Alexander in New York.

Mr Petty earned his BA degree at Spring Hill College, his MA at the University of Virginia and his JD at Georgetown University. He serves as chairman of the federal Industry Trade Advisory Committee on Automotive Equipment and Capital Goods (ITAC 2), which counsels the US Trade Representative and the US Secretary of Commerce on international trade issues. He also serves as chairman of the Investment Working Group, designated to advise them on international investment policy. In addition, he serves as IADC’s representative on the EU Committee of the London-based International Association of Oil and Gas Producers.

He also co-chairs the Energy Services Coalition, made up of 60 companies and trade associations seeking to increase international trade in the hydrocarbon, electric power and renewable energy sectors.

Tom Terrell, IADC Senior Vice President – business development

Thomas T. Terrell is IADC senior vice president – business development. He has 33 years of experience in publishing, marketing and business with oil companies and service companies. He has been in charge of petroleum group operations for a major petroleum industry publishing company. Mr Terrell has extensive experience in strategic planning, sales management, marketing and product development. His responsibilities at IADC included leadership of a diverse global sales, editorial, administrative and financial staff.

Mr Terrell holds a BBA from the University of Houston.

Mike Killalea, IADC group Vice President/publisher

Mike Killalea is IADC group vice president/publisher, with responsibility for corporate communications, including Drilling Contractor, its website www
.DrillingContractor.org, newsletter eNews from DrillingContractor.org, and the Annual IADC Membership Directory. He also provides staff support for the IADC Advanced Rig Technology and Well Servicing committees.

Mr Killalea’s background in petroleum engineering is complemented by several years of experience in technical and business journalism. He graduated with high honors from the University of California at Davis with a BS in chemical engineering.

Steve Kropla, IADC group Vice President – Operations & Accreditation

Steve Kropla is group vice president – operations and accreditation. He manages the association’s offshore affairs, land drilling, HSE, and accreditation and certification functions, as well as regional operations in North America, Europe, the Middle East and Asia. He is also responsible for overall management of IADC’s technical committees.

Mr Kropla joined IADC in 1992 after more than 10 years in the drilling industry in Alaska and the lower 48 US states. His duties included health and safety, training, and responsibility for a broad range of human resources issues.

He holds a BS degree in journalism from Southern Illinois University and an MS in human resources management and development from Chapman University in Orange, Calif. Mr Kropla is a Certified Senior Professional in Human Resources.