As Stem’s Chief Financial Officer, Bill Bush manages the company’s corporate and project financing efforts, guiding Stem from a startup to a $300 million-invested leader in the energy storage industry. Before joining Stem, Bill spent more than seven years as CFO of Borrego Solar Systems Inc., where he helped the company achieve 10 times growth and profitability. He was previously CFO of Solar Semiconductor Inc., a leading private, vertically integrated manufacturer and distributor of high-quality PV modules and systems with operations in India, helping it break $100 million in sales in less than 15 months. Bill has served as CFO for numerous high-growth solar, software, and online media companies, and was a founder of Buzzsaw.com, a spinoff of Autodesk. Prior to his work with Buzzsaw.com, Bill served as Corporate Controller for Autodesk, Inc. and worked for seven years in public accounting with Ernst & Young (EY) and PricewaterhouseCoopers. Bill holds a B.S. in business administration from UC Berkeley and is a Certified Public Accountant.