Bill is career tech CEO with several exits, including a billion-dollar IPO. He has also worked as a venture capitalist earlier in his career at Greylock and now as a partner at Tech Square Ventures. At TSV, he leads the firm's one-of-a-kind hybrid enterprise accelerator and corporate innovation platform called Engage. Bill is passionate about climate tech and clean energy, including giving a TED talk on how startups are disrupting the energy industry. This grew into a top ranked renewable energy podcast and later a book on building cleantech startups called Freeing Energy, which hit Amazon’s #1 new release in multiple categories.