Gordian Energy Systems

William Cole (Billy) is the President of the Pfister Energy office in Baltimore, Maryland. Billy oversees the company’s strategy and new business development efforts, as well as the project management and financing for customer projects. Since earning a BS in Business Administration in 2001, Billy has completed numerous NRCA, financial and renewable energy courses.

Billy also currently serves as President of Cole Roofing, an award-winning roofing company that has been providing quality commercial roofing solutions for over 95 years. Billy has worked with numerous companies to integrate renewable energy systems onto their properties. Billy’s technology expertise includes photovoltaics, wind turbines, daylighting systems, solar lighting systems, energy efficiency services, solar thermal systems, rainwater harvesting and green roofing.