Ernst Sack

Partner
Blue Bear Capital

Chairman
Shoreline Wind

Director
Deep Green Solar

Ernst is a founding partner at Blue Bear Capital, a VC investor for enterprise software and AI-related technologies in energy, infrastructure, and climate industries. Ernst has participated on the boards of directors of over 20 energy and software companies, including Raptor Maps, Shoreline, GoExpedi, Mission Secure, Omnidian, Datch, MineralSoft and Element Analytics.

Before Blue Bear, Ernst spent nine years at Riverstone, a leading energy private equity firm with over $35 billion in assets under management. He previously worked in M&A covering energy and transportation.

Ernst has a B.S. in foreign service from Georgetown University and an MBA from Columbia Business School and London Business School through a joint program. He loves spending time with his family, having his mind blown by AI developers, and backcountry skiing.