David has founded and led multiple firms, investing over $1 billion in energy and clean technology.

Prior to co-founding Activate, David was the founder and Managing Partner of Element Partners, an $860 million series of funds dedicated to a broad range of investments in clean technology. David was also a Co-Founder and Managing Director of EnerTech Capital, President and CEO of Deven Resources, Inc., and a partner with CMS Companies.

David has also been a National Venture Capital Association (NVCA) board member, chair of the NVCA Energy & Cleantech Committee, and Chair of the NVCA Growth Equity Group, where he established and benchmarked Growth Equity as a distinct asset class within private equity.

David holds a BA in Geology, with honors, from Colgate University and an MS in Energy Management and Policy from the University of Pennsylvania.

Eric is a Principal at Activate, where he focuses on deal sourcing, due diligence, execution, and supporting portfolio companies post-investment. He is also a Board Observer at portfolio companies Voltus, Omnidian, PosiGen, Fictiv, Parsable, and Element Analytics.

Prior to joining Activate, Eric was an Associate at ValueAct Capital, an activist hedge fund, where he covered investment ideas spanning several sectors including energy and industrials. Eric began his career as a business analyst at McKinsey & Company in their Silicon Valley office.

Eric holds a degree in Chemistry from Yale University and an MBA from the Wharton School of the University of Pennsylvania, where he graduated as a Palmer Scholar.