Dave Williams

Dave Williams is the Chief Commercial Officer at CalCom Energy. Dave works on the Executive Team to implement CalCom’s strategic vision of being a leader in sustainable energy technology and financing solutions for agriculture and water. Dave’s team provides technical and financing solutions to save customers money and maximize returns.


Prior to joining CalCom, Dave was a Senior Fellow at UC Berkeley and led an international solar development advisory business. Since 2005, Dave has been involved in developing energy projects around the world. He founded solar development companies in the Caribbean, Eastern Europe and Africa. He has advised heads of state, governments and private developers around the world to accelerate the adoption of renewable energy.


Dave was selected as one of Time Magazine’s Innovators of the Year for his work on cool heat transfer. He has been a technical solar advisor for US Department of State, merit reviewer for the US Department of Energy’s SunShot program, and contributor to National Renewable Energy Laboratory. Dave has constructed and operated more than 50 solar projects across a range of PV technologies. Before joining the clean energy industry, Dave worked for Shell Oil and Procter & Gamble. He earned a Bachelor of Science degree in Mechanical Engineering from Georgia Institute of Technology.