Brett Estwanik

Partner & Co-Founder

Brett is a Partner at Inyarek Partners, a firm he co-founded to capitalize on opportunities in responsibly sourced energy while also defining a pragmatic path for the energy transition. At Inyarek, Brett shares responsibility for overall investment strategy and execution, asset management, and firm operations.

Prior to forming Inyarek in 2023, Brett was responsible for originating and managing energy investments as a Partner at Old Ironsides Energy and, prior to that, as a senior member of the investment team at Liberty Energy, the energy investment subsidiary of a Fortune 100 insurance company.

Previously, Brett served as an Investment Associate at First Reserve Corporation and as an Analyst in the Natural Resources investment banking group at Banc of America Securities.

Brett holds a BSc in Business Administration, with distinction, from the University of North Carolina and earned an MBA from the Darden Graduate School of Business at the University of Virginia.

Brett lives in the Boston area with his wife and three children.