William Demas is Senior Managing Director & Head of Americas, Green Investment Group, within Macquarie Asset Management. Will re-joined Macquarie from Stonepeak Partners, where he was instrumental in leading the firm’s America’s renewable energy and energy transition investment activities. Prior to Stonepeak, he spearheaded and led Copenhagen Infrastructure Partners in the Americas. Prior to CIP, Will was a senior member of Macquarie Capital’s renewable energy principal and investment and advisory team and spent the early part of his career at Good Energies, one of the first dedicated clean technology venture funds. He began his career at Lazard, as a founding member of its Clean Technology and Renewable Energy advisory business.