Our Leadership Team

Our leadership team has the expertise and the drive to take your innovations a step further. If you have a technology or solution that needs investment to become a real catalyst in reducing greenhouse gas emissions, we want to speak to you.

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As CEO of OGCI Climate Investments, Dr. Pratima Rangarajan is responsible for the delivery of the OGCI Climate Investments mission – creating positive outcomes in the reduction of climate change. Before joining OGCI Climate Investments, Pratima was the General Manager for GE's Onshore Wind Product Line and the General Manager for GE's Energy Storage startup. She had previously held the role of Deputy Chief Technology Officer and Senior Vice President, Emerging Technology and Research at Vestas Wind Systems. Pratima has a PhD in chemical engineering from Princeton University and a BS in chemical engineering from MIT.

Pratima Rangarajan

CEO

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As Operations Director of OGCI Climate Investments, Roger Humphreville is responsible for ensuring all partnerships are backed up with the insight and process needed to make their goals a reality. Prior to joining Climate Investments, Roger worked globally with Amoco and then BP in a variety of technical and management positions in exploration and production, commercial and technology teams. These included Head of the Chief Scientist’s Office, Director of Upstream Technology Integration, Senior Director of Government Affairs and VP, Exploration. Roger holds an M.B.A. and M.Sc. in Geology, and is a Certified Petroleum Geologist.

Roger Humphreville

Operations Director

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As Ventures Director of OGCI Climate Investments, Rhea Hamilton is responsible for economically viable investments in innovative companies and technologies. Previously, Rhea was a Managing Director for a European family office heading direct investments in clean technology and renewable energy. Prior to this, she was an Investment Director at RobecoSAM Private Equity. Rhea started her career with Royal Dutch Shell, where she held various positions including CFO of Shell Hydrogen. Rhea holds a Geological Engineering degree from the University of British Columbia, and an MBA from IESE in Barcelona, Spain.

Rhea Hamilton

Ventures Director

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As our Technology Director, Dr. Ganesh Kailasam plays a key role in identifying and evaluating innovative, low-emissions technologies. Ganesh has had a distinguished career specialising in polymers, and was previously Senior Vice President & Chief Technology Officer of Dow Corning Corporation, leading the company’s science and technology professionals in the area of Silicones R&D. Ganesh holds a doctorate in Chemical Engineering and was elected a member of the U.S. National Academy of Engineering for his work on the development and commercialisation of processes for the production of high performance polymers.

Ganesh Kailasam

Technical Director

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As Commercial Director, Damien Gerard is responsible for identifying and delivering commercially viable projects globally across the entire portfolio. Prior to joining OGCI Climate Investments, Damien was developing projects at Blue Planet, a CCUS start-up in San Francisco. He previously held various executive positions at BP Alternative Energy including Head of Strategy, CFO of BP Ventures and Chief of Staff. Damien holds an business engineering degree from the Management School of the University of Liege and an MBA from Booth Chicago School of Business.

Damien Gerard

Commercial Director

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As Strategy & Policy Director of OGCI Climate Investments, Julien Perez is responsible for developing external policy views, coordinating commitments, managing relations with institutions and providing strategic direction to drive future investments. Previously, Julien was head of Climate & Energy Services at Ernst & Young where he assisted private and public players in setting up and implementing low-carbon strategies. Julien also worked at Total where he coordinated climate change actions and at Aecom managing environmental liabilities for various industries. Julien holds an Environmental Engineering degree from Agro ParisTech, an Energy and Climate Economics degree from Dauphine and an advanced degree in climate change management from Yale.

Julien Perez

Strategy & Policy Director of OGCI Climate Investments

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Andrew Row is the Finance Director for OGCI Climate Investments. Prior to being seconded to Climate Investments, Andrew worked for BP as the Global Performance Director for the Lubricants business and has previously been the Finance Director for operating units in Europe & Africa and the Industrial, Marine and Energy businesses. Andrew has over 30 years’ experience in a wide range of roles, from external audit with EY, through operational, commercial and group finance roles with Burmah Castrol plc and BP. He is a First Class honours graduate from University of East Anglia and a Fellow of the Institute of Chartered Accountants in England and Wales.

Andrew Row

Financial Director

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Leo Csaky is the Legal Director at OGCI Climate Investments. Prior to joining Climate Investments, Leo worked at the Norwegian oil and gas major Statoil, advising on venture investments as well as cross-border M&A transactions. He was previously General Counsel at the financial services joint venture company iPSL, and has also worked in the insurance and technology sectors. Leo has been practicing law since 2001 and has an MBA from London Business School.

Leo Csaky

Legal Director