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   Board of Directors
Gerald E. O’Shaughnessy Gerald E. O’Shaughnessy | Executive Chairman
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 James F. Park | Chief Executive Officer and Deputy Chairman
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 Peter Ryalls | Non-executive Director
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 Pavez Juan Cristobal Pavez | Non-executive Director
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 Alberto Gulisano Carlos Alberto Gulisano | Non-executive Director
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.
Steven J. Quamme Steven J. Quamme | Non-executive Director
Mr. Quamme has 25 years of successful experience as a securities lawyer, private equity investor and investment banker. He is a recognised expert in corporate governance and has been a member of over fifteen Boards of Directors including public companies, private companies and non-profit organizations. Mr. Quamme is the co-founder and President of Cartica Management, a registered investment advisor focused exclusively on emerging markets. Cartica manages a series of private investment funds investing in listed equities in 24 countries. From 2005-2007, Mr. Quamme was the co-founder and COO of Breeden Partners, a US$ 1.5 billion corporate governance fund. In addition, from 2002-2007, Mr. Quamme was a Senior Managing Director of Richard C. Breeden & Co., the leading professional services firm focused exclusively on corporate governance and crisis management. From 2000-2005, Mr. Quamme was the founder and CEO of Milestone Merchant Partners -- a full service merchant bank based in Washington D.C. and the parent of International Equity Partners, a sponsor of emerging markets private equity funds for many of the world’s largest institutional investors. Mr. Quamme received a BA in Economics from Northwestern University and a Juris Doctor degree from the Northwestern University School of Law where he is a member of the Law School Board. He began his career as a securities and M&A attorney at Baker Botts.
Investor Support | GEOPARK HOLDINGS LIMITED
Florida 981 - Piso 4° C1005AAS - Buenos Aires, Argentina
Tel: +54 0(11) 4312-9400 | Fax: +54 0(11) 4312-0149 | ir@geo-park.com
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