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Home Page > Corporate Information > Management Team  

Management Team

InterOil’s management team is comprised of highly knowledgeable individuals with direct experience within their focus areas. The team includes proven company builders, individuals who have developed strong relationships working with Papua New Guinea’s government officials and industry leaders, people with experience across multiple disciplines within the energy industry, and those that have had previous experience managing similar assets to those InterOil is currently developing. Each one of InterOil’s dedicated senior managers has the expertise to help InterOil transition from a developing company to a successful and profitable organization.

InterOil’s team is working vigorously toward its goal to create a first class, fully integrated, oil and gas company. We are on the cusp of accomplishing this objective. With InterOil’s refinery expected to achieve start-up in 2004 and the multi-well exploration program in full swing, the work of InterOil’s management team, employees, and directors is reaching fruition.

Management Biographies

Wayne Andrews joined us in January 2009. Prior to joining InterOil, Mr. Andrews was Managing Director of Exploration & Production Equity Research at Raymond James and Associates Inc. Mr. Andrews joined Raymond James in 1996 after spending three years as natural gas analyst at Schroder Wertheim. Prior to joining Schroder.s he was the Vice President and Director of Research at John S. Herold Inc, a petroleum research and consulting firm. He also spent five years as a Senior Exploration Geophysicist at Sun Company and Oryx Energy. Mr. Andrews holds a Bachelor of Arts degree in geology from Franklin & Marshall College, a Master of Science degree in geology from the University of Delaware and a Master of Business Administration from Southern Methodist University in Dallas, Texas.

 

Anesti Dermedgoglou is our Vice President of Investor & Public Relations.
Mr. Dermedgoglou joined us in 2002. From 1998 until joining us, Mr. Dermedgoglou was a stock broker with Merrill Lynch in Perth, Western Australia. From 1996 to 1998 Mr. Dermedgolou was a stock-broker at Porter Western Limited in Perth, Western Australia. Mr. Dermedgoglou was a Director of Frankel Pollack Vinderine Inc, one of the largest stock broking companies in South Africa, from 1986 to 1996. Mr. Dermedgoglou is a former member of the Johannesburg Stock Exchange. Mr. Dermedgoglou has worked in the stock broking industry for 16 years and holds a Bachelor of Commerce Degree from The University of South Africa.

 

Peter Diezmann - General Manager Downstream

Peter Diezmann is General Manager of our Wholesale and Retail Distribution business segment. Mr. Diezman joined us in March 2005. Prior to joining us, Mr. Diezmann had worked for BP Australia since 1981, serving in various capacities, including retail, wholesale, distributor, and terminals & logistics management positions, and as General Manager of BP Papua New Guinea for four years prior to our acquisition of that business. Mr. Diezmann holds a Masters of Business Administration (MBA) Degree from James Cook University in Queensland, Australia.

 

H. Wayne Hamal - General Manager Exploration & Production

H. Wayne Hamal is General Manager of our Exploration and Production business segment. Wayne joined us in 2005 as Senior Drilling and Engineering Manager prior to taking on the role of GM E&P in 2008. Prior to joining InterOil, and from 2002, Wayne was employed by Marathon Oil Company as Joint Venture Manager, Equatorial Guinea, where he worked directly with production operations and major projects and on all communication with the State government and joint interest partners. From 1987 to 2002 Wayne was employed by CMS Oil & Gas Company where from 1999 to 2002 he held the position, Production Manager, Equatorial Guinea. Mr. Hamal holds a Bachelor of Science degree in Petroleum Engineering from the Colorado School of Mines.

 

William J. Jasper III - President and Chief Operating Officer

William J Jasper III is President and Chief Operating Officer of InterOil Corporation. Mr. Jasper joined us on August 30, 2006. Mr. Jasper, as President of InterOil leads the refining and downstream business. Prior to joining us, Mr. Jasper had worked for Chevron Pipe Line Company since 1974, serving in leadership and management capacities over facilities, pipelines and terminals. Mr. Jasper has an extensive background in operations and maintenance. Prior to this role Mr. Jasper had served 4 years as Chairman of the West Texas LPG Partnership Board of Directors. Mr. Jasper was also past President and General Manager of Kenai Pipe Line Company in Alaska, and West Texas Gulf Pipeline in Texas.

 

Mark Laurie is General Counsel and Corporate Secretary of InterOil. Mr. Laurie joined the company on June 12, 2007. He holds Law and Economics degrees from the University of Adelaide in South Australia. He was admitted to practice law as a barrister and solicitor in Australia in 1991. Mr. Laurie was also admitted as a notary public in 1997.

Prior to joining InterOil, and from August 2003, he was Company Secretary, General Counsel, Manager Corporate and, Investor Relations and Manager - Town Infrastructure with Lihir Gold Limited, a Papua New Guinea gold mining company listed in Australia, the United States and in PNG. Mr. Laurie lived in Papua New Guinea throughout this period.

Immediately prior to working Lihir Gold, he worked as Commercial Manager for the Electronic Systems Division of Tenix Defence Pty Ltd, a privately held government contractor specializing in high-tech electronic and computer engineering work for defence and other applications. Between mid-1996 and December 2001, he held positions as General Counsel, Company Secretary and Vice President of Investor Relations with F.H. Faulding and Co. Limited, an Australian based multinational pharmaceutical and health care company listed in Australia and the United States. Prior to that Mr. Laurie worked with commercial law firms in Ottawa, Canada and Adelaide, South Australia.

 

Phil E. Mulacek - Chief Executive Officer

Phil E. Mulacek is the Chairman of our Board of Directors and our Chief Executive Officer. He has held these positions since 1997. Mr. Mulacek is the founder and President of Petroleum Independent Exploration Corporation based in Houston, Texas. Petroleum Independent Exploration Corporation was established in 1981 for the purposes of oil and gas exploration, drilling and production, and operated across the southwest portion of the United States. Petroleum Independent Exploration Corporation led the development of our refinery and the commercial activities that were necessary to secure the refinery’s economic viability. Mr. Mulacek has over 25 years experience in oil and gas exploration and production and holds a Bachelor of Science Degree in Petroleum Engineering from Texas Tech University.

 

Christian M. Vinson - Executive Vice President of Corporate Development and Government Affairs

Christian M. Vinson is Executive Vice President of InterOil and head of Corporate Development. Since 1995 to August 2006 he has been our Chief Operating Officer. Mr. Vinson joined us from Petroleum Independent Exploration Corporation, a Houston, Texas based oil and gas exploration and production company. Before joining Petroleum Independent Exploration Corporation, Mr. Vinson was a manager with NUM Corporation, a Schneider company involved in mechanical and electrical engineering automation, in Naperville, Illinois where his responsibilities included the establishment of the company’s first office in the United States. As our Chief Operating Officer, Mr. Vinson has responsibility for government and community relations and corporate development in Papua New Guinea. Mr. Vinson has played a key role in the development of our company. Mr. Vinson has developed long standing relationships with key government and industry leaders in Papua New Guinea over the last ten years. Mr Vinson earned an Electrical and Mechanical Engineering degree from Ecole d’Electricité et Mécanique Industrielles, Paris, France.

 

Collin Visaggio - Chief Financial Officer

Collin Visaggio is Chief Financial Officer of InterOil. Mr. Visaggio joined the company on July 17,2006 and was appointed to the position of Chief Financial Officer on October 26,2006. Mr. Visaggio is a Certified Practicing Accountant with a Bachelor and a Masters Degree in Business. He has also attended the Stanford Senior Executive Program in Management.

Mr. Visaggio is a seasoned oil and gas executive who has 24 years' experience in senior financial and business positions within Woodside > Petroleum and BP Australia. His career has given him a broad spectrum of financial and business experience in Exploration and Production, Offshore Gas Production, Oil Refining, LNG and Domestic Gas. Mr. Visaggio spent most of his career at Woodside Petroleum from March 1988 to July 2005, with his most recent positions being Manager, Compliance and Business for the Africa Business Unit, and Manager, Commercial and Planning for the Gas Business Unit. His responsibilities included the management of the business unit financial and business processes and implementing governance. Prior to this and during his 17 years with Woodside he was Deputy Chief Financial Officer and Financial Analysis and Planning Manager within Corporate Finance. Prior to joining InterOil Mr Visaggio was Chief Financial Officer for Alocit Group Ltd from May 2005 until March 2006.

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