Josh Prueher serves as the Chief Executive Officer of Xgs Energy and is a Managing Partner. He is also the founder of Greenflash, where he holds the title of Managing Partner, and the founder and CEO of Flexgen.

Earlier in his career, Prueher was a Vice President at Goldman Sachs. He also served as a Lieutenant in the U.S. Navy. He holds an MBA and a B.S. in History.