
Ronald Pantin (Chief Executive Officer and Executive Director)
Mr. Pantin worked in the Venezuelan oil industry for twenty-four years prior to founding Pacific Rubiales. Mr. Pantin has held a number of senior positions within Petroleos de Venezuela (“PDVSA”), most recently being President of PDVSA Services. Immediately after PDVSA, Mr. Pantin was President of Enron Venezuela. He began his professional career with Maraven, where he held a variety of positions including Exploration & Production Planning Manager, Petroleum Engineering Manager, Treasurer, Operations Manager in the Production Division, and Corporate Planning Manager.
José Francisco Arata (President and Executive Director)
Mr. Arata has over twenty-nine years of experience in mineral and oil exploration in Latin America. He began his professional career with Maraven, an affiliate of PDVSA, where he held a variety of positions within the Exploration & Production Department. He has been working in the Colombian oil industry since 1996 and he was CEO and co-founder of Pacific Stratus Energy and a co-founder of Bolivar Gold Corp.
Carlos Perez (Chief Financial Officer)
Mr. Perez is a Certified Public Accountant with over twenty-nine years of experience in the oil and gas sector. Prior to joining the Company, Mr. Perez held a number of executive positions with Venezuelan companies including Petrolago, S.A. (oil and gas contractor) and Vengas S.A. (leading Venezuelan LPG distributor). He also held senior positions within PDVSA, including Corporate Comptroller and Finance Manager of Maraven, S.A.
Eduardo Lima (Sr. Vice President, Projects Development)
Mr. Lima has over twenty-eight years of experience in the oil and gas sector in Venezuela and Colombia. He held a number of senior positions within PDVSA including Production Planning, Maintenance and Construction, Corporate Planning, Business Development for heavy oil projects in the Orinoco Belt, joint ventures Management with Conoco, Total and Chevron, and was Managing Director of PDVSA SOFIP. Mr. Lima also served as Senior Technical Vice President of Enron Venezuela.
Luis Andres Rojas (Sr. Vice President, Production)
Mr. Rojas is a petroleum engineer with over thirty years of experience in the Venezuelan energy sector. He has held a number of executive positions including President of PDVSA Intevep (Research and Development Institute), Vice President of PDVSA Gas, and President of CADAFE, Venezuela’s main power generation and distribution company. Mr. Rojas also served as Managing Director of Corporacion Venezolana de Guayana, Venezuela’s state-owned corporation for mining and hydro-power generation.
Marino Ostos (Sr. Vice President, New Areas)
Dr. Marino Ostos Rosales has a bachelor in Geosciences, as well as Geological Engineer Degree from the Universidad Central de Venezuela. He completed his Masters and Ph.D. in Geological Sciences at Rice University in Houston, Texas. Dr. Ostos has over thirty years of experience in hydrocarbons exploration and production in Sub-Andean Basins as well as top management in public E & P Oil and Gas companies.
Doctor Ostos was the Exploration Manager of Tecnopetrol Inc., exercised as the Director of Litos S.A. a Consultant Oil and Gas Company in Venezuela, President of Fairfield Industries of Director and eventually was one of the founders of Pacific Stratus Ventures, later known as Pacific Stratus Energy (PSE) where he served as President and COO. PSE later merged with PetroRubiales to create Pacific Rubiales Energy where Dr Ostos became the Corporate VP of New Business at Pacific Rubiales Energy Corp.
Additionally, Dr. Ostos has exercised as professor and researcher at the Universidad Central de Venezuela. He obtained the title of Associated Professor - Guest Researcher at Rice University (Houston, TX) by developing the study of the Tectonic Movement of Tachira St., Venezuela. He was acclaimed by the Geologists Venezuelan Society (1992) with the annual award “Clemente González de Juana” granted to the Best Research Work; one of the more than 48 works and technical reports that he has developed. He is Member and Director of the Geological Sciences Graduated Academic Committee as well as a tutor for more than 25 special works for undergraduate and graduate levels in Geology degree.
Jairo Lugo (Sr. Vice President, Exploration)
Dr. Lugo is a Geologist graduated from Universidad Central de Venezuela in 1980 and holds a Ph.D. from University of Texas at Austin in 1991. He is a basin and a petroleum system analyst with over 30 years of experience in the oil industry with a broad experience in hydrocarbon exploration project management, both in regional and local settings. He was a graduate lecturer in Sequence Stratigraphy and Structural Styles at the Universidad Central de Venezuela for nine years. He also has offered several technical short courses and seminars at international events in Venezuela, Chile, Colombia, Mexico and USA. From 1979 to January 2003 he held many managerial and executive positions at PDVSA and his final assignment was the Coordinator for all exploration projects onshore and offshore Venezuela where he developed the skills to explore any type of basin. From 2003 to September 2004 he was Director for Exploration in Arauca Energy Group. He is the Vice President Exploration of Pacific Rubiales where he is involved in the evaluation of 40 exploration blocks in Colombia, Peru and Guatemala. He conducted the studies and projects that ended in drilling 56 successful wells out of 68 exploratory and appraisal proposals.
Daniel Loureiro (Sr. Vice President, Geosciences)
Dr. Loureiro holds a "PhD" in geology from the University of New York at Albany. He has more than thirty years of experience in the oil industry. His experience has allowed him to develop a thorough knowledge of the oil basins of central and northern South America, particularly those in Venezuela, Colombia, Trinidad and Mexico. He worked for PDVSA INTEVEP; later was Technical Manager for PDVSA, Corporacion Venezolana del Petróleo, and then Exploration Manager of PDVSA Negocios con Terceros. In September 2005 he joined Pacific Stratus Energy in the position of Vice President of New Business. Dr. Loureiro is also a Professor at the Geology Department of the Universidad Central de Venezuela and a Visiting Lecturer at the Instituto de Estudios Superiores de Administracion of UNIANDES in Bogotá.
William Mauco (Sr. Vice President, Trading)
Mr. Mauco is an electronics engineer with thirty-three years of experience in the oil and gas industry, mainly with PDVSA in which he held several senior positions, including Strategic Planning Manager of that company’s Downstream Division, Commercial Director of PDVSA and Managing Director of PDVSA’s Financial Investment affiliate (SOFIP). Mr. Mauco was also President of the board of Deltaven, Vice President of Corporacion Venezolana del Petroleo, and a board member of PDVSA’s joint ventures: Nynas of Sweden, Isla Refinery in Curacao and Bonaire Petroleum Corporation. He joined Enron Venezuela as Vice President of New Business Development, and Trigeant Petroleum in the USA as Marketing Director. He also worked for the International Oil Trading Company as Vice President of Business Development until he joined Pacific Rubiales.
Nelson Lee (Sr. Vice President, Financial)
Mr. Lee has over seventeen years of experience as a Chartered Accountant. He has held senior financial positions for TSX and NASDAQ publicly-listed multinational companies. Mr. Lee is experienced in regulatory compliance, mergers and acquisitions and the raising of capital.
Peter Volk (General Counsel and Secretary)
Mr. Volk has been a lawyer for over twenty years, focusing on the resource sector for the past fourteen years. Previously, he was General Counsel and Secretary of Bolivar Gold Corp. and Pacific Stratus Energy. Mr. Volk worked in the Securities Group at Blake, Cassels & Graydon LLP and then at Anderson Mori, Japan’s largest law firm.
Luis Pacheco (Sr. Vice President, Planning)
Camilo Valencia (Executive Vice President, Meta Petroleum)
Nelson Contreras (Vice President, Exploration Operations)
Federico Restrepo (Vice President, Corporate Affairs)
Pedro Barrios (Vice President, Supply and Operational Coordination)
Antonio Jiménez (ExecutiveVice President, Pacific Stratus Energy)
Leyda Vargas (Vice President, Human Talent)
Laureano von Siegmund (Vice President, Legal)
Carlos Gómez (Internal Auditor)







