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GeoPark
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Management Team

  • 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.

  • Andrés Ocampo, Chief Financial Officer
    Andrés Ocampo

    Andrés Ocampo has served as our Chief Financial Officer since November 2013. He previously served as our Director of Growth and Capital (from January 2011 through October 2013), and has been working in our company since July 2010. Mr. Ocampo graduated with a degree in Economics from Universidad Catolica Argentina. He has more than 13 years of experience in business and finance. Before joining our company, Mr. Ocampo worked at Citigroup and served as Vice President Oil & Gas and Soft Commodities at Crédit Agricole Corporate & Investment Bank.

  • Pedro Aylwin, Director of Legal and Governance, and Corporate Secretary
    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.

  • Augusto Zubillaga, Chief Operating Officer
    Augusto Zubillaga

    Augusto Zubillaga has served as our Chief Operating Officer since May 2015. He previously served in other management positions throughout the Company including Operations Director, Director for Argentina and Production Director. He is a petroleum engineer with 20 years of experience in production, engineering, well completion, corrosion control, reservoir management and field development. He has a degree in petroleum engineering from the Instituto Tecnologico of Buenos Aires. Prior to joining our company, Mr. Zubillaga worked for Petrolera Argentina San Jorge S.A. and Chevron San Jorge S.A. At Chevron San Jorge S.A., he led multi-disciplinary teams focused on improving production, costs and safety, and was the leader of the Asset Development Team, which was responsible for creating the field development plan, and estimating and auditing the oil and gas reserves of the Trapial field in Argentina. Additionally, at Chevron San Jorge S.A., Mr. Zubillaga was also part of the team that was responsible for the identification of business opportunities and also worked with the head office on the set up of the best business practices. He is the author of several industry papers, related to different matters, such as electrical submersible pump optimization, corrosion control, water handling and intelligent production systems.

  • Alberto Matamoros, Director for Argentina, Brazil, Chile and Peru
    Alberto Matamoros

    Alberto Matamoros has been our Director for Argentina, Brazil, Chile and Peru since March 2016. Before he was our Director for Chile. He is an industrial engineer and also has a MBA; with more than 17 years of experience in the Oil & Gas industry. He started his career in the Argentinian oil company ASTRA, as a Production Engineer of La Ventana-Vizcacheras Block in the province of Mendoza (1997-2000). He then joined Chevron, where he worked for three years as a Production Engineer in El Trapial Block in the province of Neuquén. Later, while working for the same company, he was appointed as Field Engineering Manager in Buenos Aires, a function he carried out for three more years; then he was transferred to Kern County, California, to lead the production team. His experience in Chevron enabled him to manage different technical and administrative teams, designing and executing working plans focused on the optimization of resources. In 2014, he joined GeoPark to be part of the Corporate Operation team before being selected as the new Country Manager of GeoPark in Chile. Mr. Matamoros holds a degree in Industrial Engineering from the Universidad Nacional del Sur and an MBA awarded in IAE, from the Business School of Universidad Austral of Buenos Aires, Argentina.

  • Marcela Vaca, Director for Colombia
    Marcela Vaca

    Marcela Vaca has been our Director for Colombia since August 2012. Ms. Vaca holds a degree in law from Pontificia Universidad Javeriana in Bogotá, Colombia, a Master’s Degree in commercial law from the same university and a LLM from Georgetown University. She has served in the legal departments of a number of companies in Colombia, including Empresa Colombiana de Carbon Ltda (which later merged with INGEOMINAS), and from 2000 to 2003, she served as Legal and Administrative Manager at GHK Company Colombia. Prior to joining our company in 2012, Ms. Vaca served for nine years as the General Manager of Hupecol Group, where she was responsible for supervising all areas of the company as well as managing relationships with Ecopetrol, ANH, the Colombian Ministry of Mines and Energy, the Colombian Ministry of Environment and other governmental agencies. At Hupecol Group, Ms. Vaca was also involved in the structuring of the company’s asset development and sales strategy.

  • Carlos Murut, Director of Development
    Carlos Murut

    Carlos Murut has been our Development Director since January 2012. He previously served as our Development Manager. Mr. Murut holds a master’s degree in petroleum geology from the Universidad de Buenos Aires, where he also undertook postgraduate studies in reservoir engineering, specializing in field exploitation. He also completed a Business Management Development Program at Universidad Austral. Mr. Murut has over 31 years of experience working for international and major oil companies, including YPF S.A., Tecpetrol S.A., Petrolera Argentina San Jorge S.A. and Chevron San Jorge S.A.

  • Salvador Minniti, Director of Exploration
    Salvador Minniti

    Salvador Minniti has been our Director of Exploration since January 2012. He previously served as our Exploration Manager. He holds a bachelor degree in geology from Universidad Nacional de La Plata and has a graduate degree in oil geology from the Instituto Argentino. Mr. Minniti has over 31 years of experience in oil exploration and has worked in YPF S.A., Petrolera Argentina San Jorge S.A. and Chevron Argentina.

  • Horacio Fontana, Director of Drilling
    Horacio Fontana

    Horacio Fontana has been our Corporate Drilling Manager since March 2012. He previously served as our Engineer Manager. He holds a degree in civil engineering from the Universidad Nacional de Rosario and is also a graduate from the Argentine Oil and Gas Institute, National University of Buenos Aires, with a specialty in oilfield exploitation and an extensive background in drilling operations. He has recently taken part in a Management Development Program at IAE Business School of Austral University. Mr. Fontana has over 26 years of drilling experience in major Argentine companies such as YPF S.A., Petrolera Argentina San Jorge and Chevron.

  • Agustina Wisky, Director of Performance
    Agustina Wisky

    Agustina Wisky has been working in our Company since the moment it was founded, in November 2002, and has served as our Director of People since 2012. Currently she serves as Director of Performance. Mrs. Wisky is a public accountant, and also holds a degree in human resources from the Universidad Austral—IAE. She has 15 years of experience in the oil industry. Before joining our company, Mrs. Wisky worked at AES Gener and PricewaterhouseCoopers.

  • Guillermo Portnoi, Director of New Business
    Guillermo Portnoi

    Guillermo Portnoi has worked in our Company since June 2006 and has been our Business Management Director since May 2015. He previously served as our Director of Administration and Finance. Currently he serves as New Business Director. Mr. Portnoi is a public accountant and holds an MBA from Universidad Austral—IAE. He has more than 11 years of experience in the oil industry. Before joining our company, Mr. Portnoi worked at Pluspetrol, Río Alto and PricewaterhouseCoopers, where he counted several major oil companies as his clients.

  • Stacy Steimel, Shareholder Value Director
    Stacy Steimel

    Stacy Steimel joined GeoPark in February 2017 as the Shareholder Value Director. Stacy has more than 20 years of experience in the financial sector as Fund Manager and subsequently regional CEO for PineBridge Investments, ex-AIG Investments in Latin America. Before AIG, Stacy held positions in the US Treasury Department and at the InterAmerican Development Bank. She holds an MBA from the Pontificia Universidad Catlica de Chile, an MA in Latin American Studies from the University of Texas at Austin and a BA from the College of William and Mary.

  • Norma Yolanda Sánchez, Social & Environmental Manager
    Norma Yolanda Sánchez

    Norma Sánchez was awarded the degree of Social Worker at Universidad Industrial de Santander in Colombia and holds a Masters in Corporate Social Responsibility, Accounting and Social Audit of the University of Barcelona. She has over 24 years’ experience in the industry. Before joining our company, she worked in Perenco Colombia Limited, Alange Energy Corp, Glencore, Petrobras and Ecopetrol.

  • Carlos Gomez, Safety Manager
    Carlos Gomez

    Carlos Gomez has served as our Safety and Health Manager in Colombia since 2014. Carlos is a Petroleum Engineer from the American University of Bogotá and he has a specialization in Industrial Safety, Health and Environment from the Universidad Agraria of Colombia. He has 20 years of experience working in different countries of Latin America (SAI, Price, Baker Hughes, Ecopetrol).

  • Sabrina García, Information Management Manager
    Sabrina García

    Sabrina Garcia joined the company in 2008, to be part of the Accounting team, and later became the Information Management Supervisor. She was awarded the degree of Public Accountant at Universidad Argentina de la Empresa, and she participated in the Management Development Program 2015, at IAE. She has more than 12 years of experience (PWC).

  • Veronica Hayden, Corporate People Manager
    Veronica Hayden

    Ver�nica Hayden joined our Company in 2013, and has worked as Organizational Development Manager and Regional People Manager previously. Currently she serves as Corporate People Manager. Mrs.Hayden holds a B.A. Degree in Educational Sciences , and also holds a Post degree in Human Resources Management from San Andr�s University. She has over 17 years of experience in Oil & Gas Industry. Before joining our company, she worked at Perez Companc and Petrobras Energ�a S.A.