William Brennan

William (Bill) Brennan | VP of Ocean Exchange

Bill Brennan currently serves as Chairman of the Board at Verano Water Group in Phoenix, AZ. With over 35 years of extensive experience in water and waste management, Bill has held leadership roles across engineering, investments, and strategic development.

His career spans public equities—serving as a US and European portfolio manager for both mutual funds and hedge funds—project finance, venture capital, private equity, and senior executive positions such as Chief Investment Officer at Summit Global Management and Ultra Capital. Prior to his role at Verano Water, Bill co-founded and served as President of Resilient Infrastructure Group, a portfolio company of Partners Group.

Bill is also a Senior Strategic Advisor and Principal at InfraDX Capital, and he provides advisory services to innovative companies including Epic Cleantec, OnVector, and SailPlan.

Educationally, Bill holds a Bachelor of Science in Mechanical Engineering and Biology from Lehigh University, a Master of Science in Biomedical and Mechanical Engineering from Colorado State University—where he is a Tau Beta Pi honor society member and has served on the boards of both the Engineering School and the Sustainability program—and an MBA in Finance and Marketing from Villanova University, where he was an Adjunct Professor for 13 years.

He is a Trustee of the Waterkeepers Alliance and the Chairman of Ocean Exchange. A veteran, Bill was honorably discharged as an operations officer in the U.S. Air Force and currently serves as an officer in the South Carolina State Guard.