维斯塔能源 VIST

Juan Garoby has served as our Chief Technology Officer since January 14, 2025. Prior to this role, he served as Chief Operations Officer from August 1, 2017, to January 14, 2025. He has been involved with us since our incorporation on March 22, 2017. Mr. Garoby served as Interim Vice President of Exploration & Production at YPF from August 2016 to October 2016, Head of Drilling and Completions from April 2014 to August 2016, and Head of Unconventional from June 2012 to April 2014, during which time he also served as President of YPF Servicios Petroleros S.A., a YPF-owned drilling contractor. Prior to his tenure at YPF, Mr. Garoby worked at SLB as Operations Manager for Europe and Africa. He has also held several positions at Baker Hughes, including Director of Baker Hughes do Brasil, Country Manager of Baker Hughes Centrilift Brazil, and Country Manager of Baker Hughes Centrilift Ecuador & Peru. Mr. Garoby holds a bachelor's degree in petroleum engineering from the Instituto Tecnologico de Buenos Aires (ITBA) in Argentina.

German Losada serves as an independent member of our Board of Directors. Mr. Losada is Co-founder and Co-CEO at VEMO, a leading integrated clean mobility company in Latin America. Mr. Losada has 12 years of experience in private equity, focused on the energy sector in Europe, United States and Latin America, with a strong expertise in building start-ups. He was a founding team member of Riverstone's Latin America efforts, where he led the decarbonization growth equity and infrastructure investments. Mr. Losada is a member of the Boards of Directors of VEMO, White River Renewables and A2 Renovables. Previously, Mr. Losada worked in the European private equity group of First Reserve and in the investment banking division of Goldman Sachs in its Global Natural Resources and Latin America groups. Mr. Losada graduated from the University of San Andres in Argentina, where he earned a degree in Business Administration.

Matias Weissel has served as our Chief Operations Officer since January 14, 2025, and has been involved with us since April 2018. From April 2018 to January 14, 2025, he held the position of Operations Manager, overseeing Vista's operations in Vaca Muerta. Between 2010 and 2018, Mr. Weissel worked at YPF, where he was part of the teams responsible for developing Vaca Muerta. During his tenure, he held various positions, including Project Leader for Loma Campana and Manager of Unconventional Projects. Mr. Weissel holds a degree in Industrial Engineering from the Instituto Tecnologico de Buenos Aires (ITBA).

Susan Segal serves as an independent member of our Board of Directors. Ms. Segal was elected President and CEO of Americas Society/Council of the Americas in 2003 after having worked in the private sector with Latin America and other emerging markets for over 30 years. Prior to her appointment, Ms. Segal was a partner at Chase Capital Partners/JPMorgan Partners focusing on private equity in Latin America and pioneering early-stage venture capital investing in the region. As a banker, she focused on investment banking, building an emerging-market bond-trading unit, and the Latin American debt crisis of the 1980s and early 1990s where she lead the Bank's Restructuring effort and chaired the Chilean and Philippine Advisory Committees. Ms. Segal is a board member at Mercado Libre, Vista and Robinhood as well as an Honorary Director of Scotiabank. She is also a board member of Americas Society/Council of the Americas, the Tinker Foundation, a member of th Advisory Board of the Bretton Woods Committee and a member of the Council on Foreign Relations. Ms. Segal has received numerous awards and honors: including the Orden Bernardo O'Higgins, Chile; the Orden de San Carlos, Colombia; the Orden del Aguila Azteca, Mexico; the Orden al Merito por Servicios Distinguidos - Gran Oficial, Peru; and recognition as the North American-Chilean Chamber of Commerce's Honorary Chilean of the Year. In 2022, Ms. Segal was recognized by Colombian President Ivan Duque with the Orden de Boyaca in the category of Grand Cross; and was honored by the government of Ecuador with the National Order of Honorato Vasquez in the grade of Commander in September 2023.

Gerard Martellozo serves as an independent member of our Board of Directors. Mr. Martellozo developed his career at SLB for over 40 years, retiring in 2019 as Vice President of Human Resources globally. Prior to assuming this position in 2014, he served as Senior Advisor to SLB's chief executive officer, based in Houston, Texas, United States. Gerard joined SLB in 1979 after completing a Master in Engineering at the Ecole Nationale Superieure de l'Aeronautique et de l'Espace (Sup'Aero), France. He began his oilfield career as a wireline field engineer, quickly progressing into operations management with assignments in Spain, Italy, Norway, France, Nigeria, Algeria, and Venezuela. After his experience in industry operating matters, he transitioned into Human Resources and worked with most of the company's oilfield services business sectors over the next 20 years. From 2010 to 2012 he was HR Director of the company's drilling group and responsible for integrating the several major oilfield services companies purchased by SLB including Cameron, Smith, M-I and Geoservices, based in the United States and the United Kingdom. Gerard Martellozo was the Chairman of the Board for the SLB Foundation from March 2014 to March 2026 to lend his support to SLB's long-term commitment to promoting women in technology in the world at large. He was also co-founder of Partnerjob.com, for which he served as treasurer from 2003 to its sale in 2017 to NetExpat.

Miguel Galuccio serves as our Chairman and Chief Executive Officer. He is currently an independent member of the board of directors of SLB, the largest global oil services company. From May 2012 to April 2016, Mr. Galuccio served as the Chairman and Chief Executive Officer of YPF, Argentina's largest oil company. Under his leadership, the company became the largest producer of hydrocarbons from shale formations globally outside North America. Prior to joining YPF, Mr. Galuccio held various international positions at SLB, spanning North America, the Middle East, Asia, Europe, Latin America, Russia, and China. His last role at the firm was as President of SLB Production Management. He also served as President of Integrated Project Management, General Manager for Mexico and Central America, and Real-Time Reservoir Manager. Additionally, Mr. Galuccio is a founder and board member at GridX, a company investing in next-generation biotech startups. Mr. Galuccio holds a bachelor's degree in petroleum engineering from the Instituto Tecnologico de Buenos Aires in Argentina.

Alejandro Chernacov has served as our Strategic Planning and Investor Relations Officer since August 1, 2017, and has been involved with us since our incorporation on March 22, 2017. Mr. Chernacov served as Chief Financial Officer at Jagercor Energy Corp, a small-cap Canadian Securities Exchange-listed E&P company, from January 2015 to February 2017. Previously, he served as Investor Relations Officer at YPF, where he was responsible for repositioning the company in both local and international capital markets. Mr. Chernacov held several positions in YPF's E&P department, with his last role being responsible for the upstream portfolio management process across Argentina, Brazil, and Bolivia. Mr. Chernacov holds a bachelor's degree in economics from the Universidad de Buenos Aires, a master's degree in finance from the Universidad Torcuato Di Tella in Buenos Aires, and a professional certificate in strategic decision and risk management from Stanford University in Palo Alto, California.

Pierre-Jean Sivignon serves as an independent member of our Board of Directors. Mr. Pierre-Jean Sivignon was an advisor to the Chairman and CEO of Carrefour Group in Paris until December 2018, where he previously held the positions of Deputy CEO, CFO and Member of the Executive Board as well as Chairman of the Board of their publicly traded subsidiary in Brazil. Prior experience includes positions as the Chief Financial Officer, Executive Vice President, Member of the Board of Management at both Royal Philips Electronics in Amsterdam and at Faurecia (now Forvia) Group in Paris. He also held various high level financial and managerial positions with the SLB Group in different locations, including New York and Paris. Mr. Sivignon served in the past as an independent director of the Supervisory Boards of Imerys, Technip FMC (both companies traded on the Paris Stock Exchange), and Imperial Brands plc (which traded on London Stock Exchange). Mr. Sivignon graduated from French baccalaureate with honors in France and received an MBA from ESSEC (Ecole Superieure des Sciences Economiques et Commerciales) also in France.

Javier Rodriguez Galli has served as our General Counsel since August 1, 2017. Mr. Rodriguez Galli is a partner at the law firm Bruchou & Funes de Rioja - Abogados, with offices in Buenos Aires, Argentina, where he has led the Oil and Gas practice area since joining the firm in 2005. In recent years, he has acted as legal counsel for various international oil companies that have invested in Argentina, particularly in the development of shale hydrocarbons. He has also participated in numerous national and international negotiations related to oil and gas acquisitions, divestments, joint ventures, and strategic alliances and has extensive experience in corporate matters. From 1999 to 2005, he served as General Counsel for Molinos Rio de la Plata, an Argentine leader in food and commodities controlled by the Perez Companc family. From 1993 to 1999, he was an in-house counsel at YPF, Argentina's largest oil and gas company, providing legal services to its international business development group. Mr. Rodriguez Galli graduated with honors from the Law School of Universidad de Buenos Aires in 1991, obtained a master's degree from the London School of Economics in 1993, and a diploma from the College of Petroleum and Energy Studies at Oxford University in 1996.

Mauricio Doehner Cobian serves as an independent member of our Board of Directors. Mr. Doehner is Executive Vice President of Corporate Affairs, Enterprise Risk Management and Social Impact at CEMEX and is a member of its Executive Committee, reporting directly to the CEO. Mr. Doehner began work with CEMEX in 1996 and has held various executive positions in areas such as Strategic Planning, Institutional Relations and Communications and Business Risk Management for Europe, Asia, Middle East, South America, and Mexico. While acting in such capacities, he has led interactions and collaboration with several governments worldwide, as well as engaging in evaluation of tax structures, public policy initiatives, corporate social responsibility, communications, and crisis management. Further, he worked in Mexico's Presidential Administration in 2000, leading its relationship with Mexican NGO's, dealing with diverse issues such as government reforms and the national budget. Mr. Doehner also worked at Violy Byorum & Partners Investment Bank. Currently, he is the Vice President of the Mexican Employers' Confederation (COPARMEX), Vice-president of the Confederation of Industrial Chambers (CONCAMIN) and a member of the boards of the Trust for the Americas organization affiliated to the Organization of American States (OAS), the Center of Citizen Integration (CIC), the Industrials Club of Monterrey, the Museum of Modern Art of Monterrey (MARCO), the Mexican Business Coordinating Council (CCE), the School of Social Sciences and Government at Tecnologico de Monterrey, and a member of the GAP Group within the Consejo Mexicano de Negocios (CMN). He is also a contributor to Expansion Magazine. Mr. Doehner holds a bachelor's degree in economics from Tecnologico de Monterrey, a master's degree in business administration from IESE/IPADE, a professional certificate in competitive intelligence from the FULD Academy of Competitive Intelligence in Boston, Massachusetts and, a Master in Public Administration from Harvard Kennedy School. Mauricio is a board member of the Advisory Board of the Center for U.S.-Mexican Studies (USMEX) at the School of Global Policy and Strategy (GPS) at UC San Diego.

Pablo Manuel Vera Pinto has served as our Chief Financial Officer since August 1, 2017, and has been involved with us since our incorporation on March 22, 2017. From October 2012 to February 2017, he held the position of Director of Business Development at YPF. Mr. Vera Pinto also served as Director of Transformation at YPF from May 2012 to September 2012 and was a member of the boards of directors of several YPF-related companies, including the fertilizer company Profertil S.A. (a joint venture between Agrium of Canada and YPF), the electricity generation company Central Dock Sud S.A. (a partnership between Enel of Italy, YPF, and Pan American), and the gas distribution company MetroGAS S.A. (controlled by YPF and acquired from BG in 2012). Prior to his work at YPF, Mr. Vera Pinto collaborated with a private investor group specializing in restructuring. Over his career, he has gained extensive experience in operational and financial management, having served as Restructuring Manager, CFO, and CEO of various controlled companies. He also held positions in strategic consulting with McKinsey & Company in Europe and in investment banking at Credit Suisse First Boston in New York. Mr. Vera Pinto holds an undergraduate degree in Economics from Universidad Torcuato Di Tella in Buenos Aires and an MBA from INSEAD in Fontainebleau, France.