Kirk Hourdajian

Vice President, Impact First Investing

Kirk Hourdajian is vice president of Impact-First Investing at Climate Lead, where he builds and leads the organization’s impact-first investing practice to help family offices and investors deploy catalytic capital toward the climate transition.

Kirk has spent more than two decades working across engineering, climate strategy, venture capital, private equity, and philanthropy. Throughout his career, he has specialized in building climate and impact investing capabilities within leading organizations and helping investors identify opportunities where mission and long-term value creation reinforce one another.

Prior to joining Climate Lead, Kirk was Partner and Head of Venture at Montauk Capital, where he led the firm’s venture investing strategy and fundraising efforts, backing early-growth companies across energy, industrial technology, AI, and critical infrastructure. Previously, he served as Head of Climate and Impact at Vista Equity Partners, where he built the firm’s climate and sustainability platform across private equity, private credit, and public markets. Earlier in his career, he helped launch TPG’s Rise Fund, co-led PwC’s climate strategy practice, worked with leading corporations through Environmental Defense Fund’s corporate partnerships program, and began his career designing the first hydrogen fuel cell vehicle fleet for Nissan. Kirk serves as Chairman of the Board of ACT College which is advancing education and entrepreneurship initiatives in Armenia.