Board of Directors


Luis Aguirre-Torres

Luis Aguirre-Torres has been recognized by the White House as Champion of Change for his work promoting the development of low-carbon solutions to climate change, and in 2013 he was also recognized as High Impact Entrepreneur by US President Barack Obama during his official visit to Mexico.
He holds a first degree on Computer Engineering from the National Autonomous University of Mexico, a Masters in Computer Science and a Doctorate in Electrical and Electronic Engineering from University College London.

Learn More...

He is currently the President of Cleantech Challenge México, a USAID-grantee organization, and the largest green business accelerator in Latin America. He is also a managing partner in GM Capital, a high-risk, early-stage corporate venture fund focused on clean technology solutions, and is a founding member of the Mexico US Entrepreneurship and Innovation Council (MUSEIC), where he coordinates the development of binational energy and sustainability public policy recommendations to both the US and Mexican governments. Prior to founding GreenMomentum, he participated in several startup companies based in Israel and Silicon Valley, where he became an active member of the Silicon Valley Leadership Group as well as an advisor to Project Edge.

Jorge Barrigh

Chairman of the Board

Jorge Barrigh

Jorge Barrigh’s career has focused on climate change and green financial instruments as well as renewable energy, with posts at Ecoressources, Inc in Canada; Natsource LLC in Panama; as Fund Manager for the Corporacion Andina de Fomento/CAF in Venezuela. He has advised the Peruvian COP and the IDB on green strategies. He is also a board member of the Latin American and Caribbean Council on Renewable Energy (LAC-CORE).

Learn More...

Jorge holds a BS in Economics from Messiah College in Grantham, PA and an MBA from Temple University Fox School of Business in Philadelphia.

Roland Clarke

Dr. Roland R. Clarke has been in private practice as an independent energy consultant in his native Barbados since 2008. He is the Director/CEO and Founder of Clarke Energy Inc. D/B/A Clarke Energy Associates. His clients have included the Inter-American Development Bank (IDB), the United Nations Development Organization (UNDP),the World Bank and the Renewable Energy and Energy Efficiency Partnership (REEEP). He has also advised the Governments of Canada, Guyana and Barbados.

Learn More...

He is the author of the 2018 Draft Guyana National Energy Policy, and a new 40-year electric utility license to govern the smart grid operations of the utility in Barbados in respect to the integration of high levels of intermittent renewable energy.

Dr. Clarke is a member of the UNIDO Private Financing Advisory Network. He helps private developers and clients with the feasibility, sizing, and pre-construction development of distributed solar photovoltaic projects and other renewable energy systems.

Dr. Clarke is the 2019 Energy Engineer of the Year for Latin America and the Caribbean as awarded by the Association of Energy Engineers (AEE), Atlanta, Georgia, USA. He is Board Certified by the AEE and the Efficiency Valuation Organization (EVO) as a Certified Measurement and Verification Professional (CMVP). He is also a Certified RETScreen Expert (Canada) with skills in multi-regression modelling, forecasting, building physics, and the financial analysis of the post-construction performance impacts of renewable energy and energy efficiency projects.

Dr. Clarke is the former Project Manager of the Caribbean Renewable Energy Development Programme (CREDP) at the Caribbean Community (CARICOM) Secretariat located in Georgetown, Guyana (2002-2008). He was also the Coordinator of the CARICOM Task Force on Regional Energy Policy.

Dr. Clarke has industry experience in the planning and evaluation of electric utility demand side management (DSM) programs in New England, USA (1997-2002). His skills include electric utility production cost modelling and simulation of the long range impacts of DSM for the New England Power Pool (now the Independent System Operator (ISO) New England). He collaborated with regional teams to establish the pioneering DesignLights Consortium (DLC), and to conduct market transformation research and program post impact studies for utility energy efficiency and DSM programs.

Dr. Clarke’s professional membership includes the Association of Energy Engineers (AEE) and the IEEE. He is also a Member of the Board of Directors of the Latin American and Caribbean Council on Renewable Energy (LAC-CORE).

Dr. Clarke earned the Ph.D. in Energy Management and Policy, University of Pennsylvania, USA and the M.Sc. in Alternative Energy for Developing Countries, Mechanical Engineering, The University of Reading, UK. He earned the B.Sc. Natural Sciences (physics major), University of the West Indies, Cave Hill, Barbados.

Patricia Derez

Patricia Darez is Managing Director at 350renewables (since 2015) and a member of the board of directors of the Chilean Renewable Energy and Storage Association, ACERA (since 2016). She has over 15 years’ international experience. From 2017 to 2019 she was Country Manager of DNV and responsible for projects in Chile, Argentina, Uruguay, Peru and Colombia.

Learn More...

From 2011 to 2015, she worked as Energy Analysis Manager for Mainstream Renewable Power where she was the technical lead for solar projects worldwide and led a team of wind and solar analysts in Latin America. From 2007 to 2011, she worked for Wind Prospect Limited in the UK, for projects located across several continents.

She has a degree in Aeronautical Engineering from the University of Bristol and regularly appears as a key note speaker at conferences.

Ernesto Hanhausen

Ernesto Hanhausen has more than 20 years of experience in originating, developing, analyzing, structuring, implementing and managing investment projects and business opportunities in sustainable sectors such as energy efficiency, ESCOs and renewable energy and water in Mexico and Central and South America.  He has actively collaborated in the formation, structuring and development of successful ESCOs and renewable energy platforms in Mexico, and has generated substantial deal flow and structured, developed and managed a number of investments.

Learn More...

Mr. Hanhausen has originated, evaluated, structured and managed successful investments for and participated as investment committee member in four private equity funds including Emerging Energy Latin America Fund; H-REFF-CABEF Funds; CleanTech Fund, and FondElec LatAm Clean Energy Services Fund. He is partner at Becquerel Capital, mainly in charge of one of its Energy Efficiency and Distributed Generation Platforms. Mr. Hanhausen is also advisor of PFAN (Private Financing Advisory Network- www.pfan.net) and is member of the board of the World Resources Institute – Mexico (www.wri.org). He is a Mexican citizen with a B.S. in Engineering from the Anahuac University and a post graduate course in Finance from ITAM University.

Patrick Longmire

Patrick Longmire is a Managing Director at SEAF, a leading impact investment fund with activities worldwide, where he is co-lead of a new private equity fund to focus on clean energy in the Caribbean and Central America.  He has over 25 years of experience in energy finance in the United States, Latin America and Africa, during which time he has closed project financings with a total transaction value in excess of $1 billion.

Learn More...

Mr. Longmire’s career spanned senior positions at leading institutions, including with Chase Manhattan Bank; Lehman Brothers; IFC’s Power Department and Managing Director for power sector investments with a $1 billion private equity fund for Latin/Central America. During this time, he worked on $350 million in debt and equity transactions for wind, geothermal, hydro and solar projects in North and South America. In addition, he played a key role in building up Iberdrola USA from start-up to being one of the largest renewable energy IPPs in the US, leading acquisitions of almost 1 GW of early stage wind energy projects throughout the US. Mr. Longmire holds a B.A. in International Relations from Stanford University, a Masters in Social Change and Development from the Johns Hopkins School of International Studies and an MBA in International Finance from the Wharton School of Business. He is bilingual in French and English.

Ivan Oliveros

Ivan Oliveros Rojas

Ivan Oliveros joined Jefferies in July 2018 as a Managing Director in the Latin American Investment Banking team. He is currently spearheading Jefferies efforts in the Energy and Infrastructure space in Latin America focusing on M&A advisory and Capital Markets financings. Ivan also serves in the Board of Directors of the Latin American and Caribbean Council on Renewable Energy (LAC-CORE).

Learn More...

Prior to joining Jefferies, Ivan headed the Latin American Power & Renewables Project Finance group at SMBC focusing on Debt and Equity Financial Advisory and Project Finance in the Power Generation and Transmission sectors. While at SMBC Ivan oversaw the execution, and closing of more than 30 transactions in the Latin American Power sector, including Wind, Solar, Combined Cycle, Cogeneration, Transmission and Coal financings, executed through commercial bank financings, ECA Facilities and capital markets debt offerings. Prior to SMBC he worked at BNP Paribas Latin American Project Finance team and Scotia Capital’s US Power and Utilities group both based in New York. Throughout his career, he has been involved in the arrangement of more than 20 billion dollars of Project Finance Debt and more than 8 Billion dollars in Debt Capital Markets and M&A transactions.

Ivan holds an Industrial Engineering Degree with an Environmental Engineering Diploma from Universidad Catolica de Chile and an MBA from Columbia Business School. He also completed the coursework for a Master’s of Engineering at Columbia’s School of Engineering and Applied Science.

Barbara Rubim

Bárbara Rubim is the Managing Director of Bright Strategies, a São Paulo-based legal advisory firm focused on renewable energy. She has been working in the energy sector, with special focus on just transition and climate change, for over ten years and currently also serves as the Vice-President of the board of the Brazilian PV Association (ABSOLAR).

Learn More...

Bárbara Rubim has a degree in law and an MBA in Finance and Strategy Development. Prior to joining Bright Strategies, Bárbara has worked in other energy companies in Brazil, leading their innovation and strategy areas. She also worked and engaged with Greenpeace in Brazil and Internationally for almost 10 years, being 05 of them as a Renewable Energy Project Leader.

Barbara also worked as a parliamentary legal adviser, a researcher for the Cities Ministry and helped consolidate energy-related projects within the UN-habitat sector and the Covenant of Mayors.

As a solar industry advocate and adviser, she has actively lobbied MPs and has been consulted by the government for policy and law-making, being involved in the drafting and approval of energy-related Federal, State, and Municipal legislation in Brazil.

In 2021, Barbara was elected one of the 100 most influential people in the Brazilian Energy Sector of the 2010-2020 decade.