Bill Nussey is a three-time CEO, venture capitalist, vice president of IBM Strategy, and TED speaker who is focused on distributed, renewable energy projects. He is a managing director at Engage and a partner at Tech Square Ventures. He also is a board member of many tech firms.
Nussey is a 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. He spent most of his career as a tech CEO, but also spent several years with another venture firm, Greylock, and later, as an executive at IBM, helping run the company’s strategy.
Nussey's first company, which he co-founded in high school, provided graphics software for early, text-based personal computers. His second company, Da Vinci Systems, was started out of his college dorm room and grew to serve millions of users across 45 countries. Later, he spent several years as a venture capitalist with Greylock. In 1998, he left the firm to become CEO of a portfolio company, iXL, which went public and grew to $500 million in revenue. After iXL, he joined cloud marketing startup Silverpop as CEO. The company grew to nearly $100 million in recurring revenue and became a global leader in cloud-based marketing. In 2014, IBM acquired the company and made it the foundation of the IBM Marketing Cloud. Shortly after the acquisition, Nussey was promoted to IBM’s VP Corporate Strategy, helping the CEO and SVPs set IBM’s strategic roadmap. His companies have created thousands of jobs and billions of dollars in value.
Nussey left IBM to pursue his passion for renewable energy and other climate technologies. His journey began with a TED Talk, which grew into the #1 ranked renewable energy podcast called The Freeing Energy Podcast. All of this supported and ultimately led to a book he published at the end of 2021, called Freeing Energy: How Innovators Are Using Local-scale Solar and Batteries to Disrupt the Global Energy Industry from the Outside.
Supported by 320 interviews across the world, the book’s mission is to help readers understand a powerful new approach to accelerating the shift to clean energy. The core ideas focus on decentralized (or local) energy, novel business models, and the inspiring people driving these changes.
In 2018, Nussey co-founded Solar Inventions whose mission is to commercialize a set of scientific breakthroughs for improving silicon photovoltaics. In 2022, he joined Engage and its parent venture firm, Tech Square Ventures, to help grow the firm’s game-changing approach to funding and building tech startups.
Nussey received a degree in electrical engineering from North Carolina State University and an MBA from Harvard Business School. He holds several patents, has published three books and sits on several commercial and non-profit boards. Together with his family, he is involved in a handful of projects providing off-grid, resilient electricity in places like East Africa and Puerto Rico.
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