John Melby is the CEO of Xpansiv and a leading figure in energy and environmental markets with over two decades of experience. He guided the creation of the world’s largest registry platform for renewable energy and carbon and introduced new products across various energy markets. Prior to forming Xpansiv, Melby co-founded Noble4 Advisors and the Melby Group, providing strategic advice to governments, energy companies, and financial institutions. He also served as Managing Director of North American Markets for Green Exchange and as President and CEO of APX, where he established it as a top infrastructure platform for renewable energy markets.