Team
James Everett
James Everett is a Managing Partner with the Ecosystem Integrity Fund, where he authored the fund strategy; leads research, due diligence, and strategy development; and serves as chairman of the Investment Committee. He has been focused on environmental sustainability for over 30 years and has cultivated a sophisticated understanding of sustainability problems and strong pattern recognition with respect to workable solutions in green business. James is committed to the integration of economic and ecological sustainability, believing that green ideas have increased potential for scale and impact when they are directed toward practical solutions of business problems.
Devin Whatley
Devin Whatley is a Managing Partner at the Ecosystem Integrity Fund, where he leads deal structuring, negotiations, and fund operations, and works closely with the portfolio companies. He has been dedicated to environmental sustainability for close to 30 years and in particular the application of sustainability in technology and commerce. He believes that demonstrating business success in sustainability is not only possible, but also required in order to accelerate the society-wide shift to a clean and green existence.
Geoffrey Eisenberg
Geoffrey Eisenberg is a Partner at the Ecosystem Integrity Fund and has been a member of the EIF investment team since its inception. Geoff leads fundraising and investor relations for the firm. His responsibilities also include investment deal sourcing, sector research, and strategy development, with a particular focus on Transportation, Renewable Energy, Grid Modernization, and Green Chemistry. Geoff also works directly with EIF’s portfolio companies on strategy, capital raising, and business development. He serves as a board director for ZeroAvia, Shoreline, and Sunverge, and a board observer for Liminal. He is formerly a board member of AMP and T-Rex, and was a board observer at EV Connect and Complete Solar.
Sasha Brown
Sasha Brown is a Partner at the Ecosystem Integrity Fund. Her responsibilities include investment due diligence, strategy development, process management, deal sourcing, and portfolio company support. She assists with system and sector analysis, firm operations, and financial structuring. Sasha serves as a board director at iyris, Claros Technologies, Ambient Photonics, Trashie, and Upflex.
Amanda Bamberger
Amanda Bamberger is a Vice President at the Ecosystem Integrity Fund where her responsibilities include deal due diligence, portfolio company support, and investment strategy development. Amanda comes to EIF with 10 years of experience in sustainability and impact analysis. Amanda uses a foundational understanding of physics and engineering to elucidate how companies can affect change in global development and environmental impact. Prior to EIF, Amanda was a Director with Factor[e] Ventures, an impact investor supporting de-carbonized solutions in energy, agriculture, waste, and mobility in emerging and frontier markets.
Brandon Blaesser
Brandon Blaesser is a Vice President at the Ecosystem Integrity Fund. His responsibilities include sector research, pipeline development and tracking, investment due diligence, and portfolio company support. Before EIF, Brandon was an Associate at Kearney, a global management consulting firm. At Kearney, Brandon worked with a range of clients to address growth, supply chain, and cost optimization problems.
Andrea Bonse
Andrea Bonse is an Investor Relations Manager at the Ecosystem Integrity Fund. Her responsibilities include investor relations support, communications, fundraising and marketing activities for the firm. Prior to joining EIF, Andrea spent over four years at Marlin Equity Partners where she focused on investor relations and marketing efforts.
Sabin Ray
Sabin Ray is a Senior Associate at the Ecosystem Integrity Fund. Her responsibilities include sector research, deal sourcing, investment due diligence, and portfolio company support. Prior to joining EIF, Sabin was an Associate at the World Resources Institute, a global environmental research organization. At WRI, Sabin worked to scale nature-based solutions through the Natural Infrastructure Initiative and the Global Restoration Initiative.
Jessica Singh
Jessica Singh is a Vice President at the Ecosystem Integrity Fund. Her responsibilities include sector research, deal sourcing, investment due diligence, and portfolio company support. Prior to joining EIF, Jessica worked for IFC, World Bank, enabling key infrastructure investments across Asia in waste management, water conservation, renewable energy, and logistics. Her notable projects include the ‘Namami Gange Program’ for conservation of river Ganges, and first-ever LNG regasification facility in Bangladesh.
Sachi Twine
Sachi Twine is a Vice President at the Ecosystem Integrity Fund. Her responsibilities include sector research, deal sourcing, investment due diligence, and portfolio company support. Prior to joining EIF, Sachi was a Research and Impact Associate with Global Partnerships, an impact investor based in Nairobi, Kenya. Sachi performed social impact underwriting and operational due diligence for the fund’s Sub-Saharan Africa portfolio, with a focus on opportunities in financial inclusion and companies supporting smallholder farmer agriculture.
Seth Udelson
Seth Udelson is a Senior Associate at the Ecosystem Integrity Fund. His responsibilities include sector research, deal sourcing, investment due diligence, and portfolio company support. Prior to joining EIF, Seth was an Investment Associate at SAFO Investment Company, a single-family office focused on sustainable investing across all asset classes. At the family office, Seth was responsible for investment due diligence and implementation, as well as macroeconomic positioning.
jackie valdez
Jackie Valdez is Head of Finance at EIF. Her responsibilities include helping manage the financial, compliance, HR, and administrative functions of the EIF funds and related entities. Jackie started her career in audit at PricewaterhouseCoopers and has been providing services to the alternative investment industry for nearly two decades. She has a diverse background including fund accounting and reporting, tax compliance, SEC compliance, HR, IT, and office administration for mutual funds, ETFs, hedge funds, private equity, and venture capital funds.