Intranet Contact ES

Board of directors

  • Gerald E. O’Shaughnessy, Executive Chairman
    Gerald E. O’Shaughnessy

    Mr. O’Shaughnessy graduated from the University of Notre Dame with degrees in government and law, and thereafter practiced law until joining Lario Oil and Gas (his family company and one of the oldest independent oil and gas companies in the USA) as Senior Vice President. From 1986 until the present, Mr. O’Shaughnessy has focused on private venture capital investment activities, including international oil and gas exploration and development through the Globe Resources Group. In 1992, Mr. O’Shaughnessy acquired a geophysical service company which co-founded the first energy sector joint venture in Russia during perestroika and from 1992 to 1995 he initiated and managed the largest well servicing and rehabilitation project in Western Siberia, involving sophisticated logistical operations and the rehabilitation of 700 wells (increasing production from 0 to 100,000 bpd). Mr. O’Shaughnessy’s participation in this project made him the first western partner of OAO Lukoil, and he subsequently entered into other partnerships with OAO Lukoil including building and managing one of the world’s largest oilfield pump repair facilities. Mr. O’Shaughnessy co-founded GeoPark in 2002.

  • James F. Park, Chief Executive Officer & Director
    James F. Park

    Mr. Park has extensive experience in all phases of the upstream oil and gas business with a strong background in the acquisition, implementation and management of international joint ventures, including assignments in North America, Latin America, Asia, Europe and the Middle East. He graduated from the University of California at Berkeley with a degree in geophysics, following which he worked as a research scientist in earthquake and tectonic studies. In 1978, Mr. Park joined an oil and gas exploration project in Guatemala (Basic Resources International Limited) which pioneered the development of commercial oil and gas production in Central America and, as a senior executive, was closely involved in the development of the company (including grass-roots exploration activities, drilling and production operations, surface and pipeline construction, legal and regulatory issues, crude oil marketing and transportation, and raising substantial investment funds). He remained as a member of the board of Directors until the company was successfully sold in 1997. Mr. Park has also participated in projects in California, Louisiana, Argentina, Yemen, and China. Mr. Park has lived in Argentina and Chile since co-founding GeoPark in 2002.

  • Peter Ryalls, Non-executive Director
    Peter Ryalls

    Mr. Ryalls obtained a Master’s Degree in Petroleum Engineering from Imperial College in London and began working in the oil industry in 1972 with oil service company Schlumberger in Angola, Gabon and Nigeria. Mr. Ryalls then joined Mobil North Sea and later Unocal where he worked in increasingly senior positions, including Managing Director in Aberdeen, and where he developed extensive experience in offshore production and drilling operations in the North Sea and internationally. In 1994, Mr. Ryalls represented Unocal in the Azerbaijan International Operating Company (AIOC) as Vice President of Operations based in Baku and was responsible for production, drilling, reservoir engineering and logistics. In 1998, Mr. Ryalls moved to Buenos Aires, Argentina as General Manager for Unocal in Argentina. He subsequently moved to Louisiana as Vice President of Unocal’s Gulf of Mexico onshore oil and gas business and then Vice President Global Engineering & Construction of Unocal responsible for the implementation of all major capital projects ranging from deepwater developments in Indonesia and the Gulf of Mexico to conventional oil and gas projects in Thailand. Mr. Ryalls strengths are in risk management across the project development cycle with a strong focus on health, safety and environment. Mr. Ryalls became a Non-Executive Director of GeoPark in April 2006.

  • Juan Cristobal Pavéz, Non-executive Director
    Juan Cristobal Pavéz

    Mr. Pavez graduated from the Universidad Católica de Chile (Catholic University of Chile) in 1992 with a degree in Commercial Engineering, and immediately joined Grupo CB (CB Group) as a research analyst. Thereafter, he obtained a master’s degree in Business Administration from the Massachusetts Institute of Technology. He was then portfolio analyst at Moneda Asset Management until 1998, when he joined Santana, an investment company, as CEO. At Santana he focused mainly on investments in capital markets and real estate. While at Santana, he was appointed CEO of Laboratorios Andrómaco (Andrómaco Laboratories), one of Santana’s principal assets. In 1999, Mr. Pavez co-founded Eventures, an internet company with subsidiaries in Argentina and Brazil. Since 2001 he has been CEO at Centinela, a company with diversified global investments, with a special focus in the energy industry, through the development of wind parks and run-of-the-river hydropower plants.  Mr. Pavez is also a board member of Grupo Security, Vida Security, Quintec, Trayenko and Norvind. Mr. Pavez became a Non-Executive Director of  GeoPark in August 2008. 

  • Carlos A. Gulisano, Non-executive Director
    Carlos A. Gulisano

    Dr. Gulisano is a respected leader in the fields of petroleum geology and geophysics in Latin America and has over 30 years of successful exploration, development and management experience in the oil and gas industry. Dr. Gulisano has worked with YPF, Petrolera Argentina San Jorge, Chevron and GeoPark and has been a leader on teams credited with significant oil and gas discoveries (including the giant Trapial Field in Argentina). He has worked in Argentina, Bolivia, Peru, Ecuador, Colombia, Venezuela, Brazil, Chile, and USA. Dr. Gulisano holds a B.Sc in Geology, a postgraduate degree in Petroleum Engineering and a PhD in Geology from the University of Buenos Aires and has authored and co-authored over 40 technical papers. He is a former adjunct professor at the Universidad del Sur, a former thesis director at the University of La Plata, and a former scholarship director at CONICET (the national technology research council) in Argentina.  Dr. Gulisano has been a key element of GeoPark’s growth as an adviser since 2002 and as the Managing Director from February 2008 until June 2010. 

  • Robert Bedingfield, Non-executive Director
    Robert Bedingfield

    Mr. Bedingfield is a qualified SEC financial expert and has assumed the role of Chairman of GeoPark’s Audit Committee. Until his retirement in June 2013, Mr. Bedingfield was one of Ernst & Young’s most senior Global Lead Partners with more than 40 years of experience, including 32 years as a partner in Ernst & Young's accounting and auditing practices, as well as serving on Ernst & Young’s Senior Governing Board. He has extensive experience serving Fortune 500 companies; including acting as Lead Audit Partner or Senior Advisory Partner for Lockheed Martin, AES, Gannett, General Dynamics, Booz Allen Hamilton, Marriott and the US Postal Service. Since 2000, Mr. Bedingfield has been a Trustee, an Executive Committee Member, and the Audit Committee Chair of the University of Maryland at College Park Board of Trustees. Mr. Bedingfield served on the National Executive Board (1995 to 2003) and National Advisory Council (since 2003) of the Boy Scouts of America. He also served on the Board of Governors of the Congressional Country Club in Bethesda, Maryland. Since 2013, Mr. Bedingfield has also served as Board Member and Chairman of the Audit Committee of NYSE-listed Science Applications International Corp (SAIC).

  • Pedro Aylwin, Executive Director
    Pedro Aylwin

    Mr. Aylwin holds a degree in law from the Universidad de Chile and an LLM from the University of Notre Dame, USA.He has extensive experience in the natural resources sector. Mr. Aylwin has been a partner at the law firm of Aylwin Abogados in Santiago, Chile, where he has represented mining, chemical and oil and gas companies in numerous transactions. From 2006 to 2011, he served as Lead Manager and General Counsel at BHP Billiton, Base Metals, where he was in charge of legal and corporate governance matters on BHP Billiton's projects, operations and natural resource assets in South America, North America, Asia, Africa and Australia. Mr. Aylwin is also a board member of Egeda España. Mr. Aylwin has been GeoPark's Director of Governance and Legal since April 2011 and from 2003 to 2006, Mr. Aylwin worked for the Company as an advisor on governance and legal matters.

  • Michael D. Dingman, Non-executive Director
    Michael D. Dingman

    Mr. Dingman is a successful international investor, businessman and philanthropist, with more than 50 years of experience. Mr. Dingman has an extensive and successful career on Wall Street as partner of Butnham & Company, and he also was Chairman and Chief Director of industrial corporations including Wheelabrator-Frye, Signal, AlliedSignal, the Henley Group and Fisher-Scientific. His wide experience in the energy industry includes working with the Liedtke family of Pennzoil at Pogo Producing Company and as an early investor of Sidanco, one of Russia’s largest oil companies. Currently, he is  Founder, President and CEO of the Shipston Group. 

    Mr. Dingman is a former director of Ford Motor Company (21 years), Time and then Time Warner (24 years), and also the Mellon Bank, Temple Industries, Temple-Inland, Continental Telephone and Teekay Shipping. He is the founder of the “Michael D. Dingman Center for Entrepreneurship” at the University of Maryland and he is a benefactor and former member of the Boston Museum of Fine Arts and the John A. Hartford Foundation.