William is a climate solutions evangelist and cleantech entrepreneur. He is currently Chief Marketing Officer (CMO) at Husk Power Systems, the leading net-zero energy company serving rural Africa and Asia, and operator of the largest fleet of community solar minigrids. Prior to that, he was Chief Campaign Officer at Power for All, an energy access focused iNGO, and a senior executive and head of the cleantech practice at Weber Shandwick, an award-winning global marketing services agency and part of the Interpublic Group (NYSE: IPG).