Sissi Liu

CEO and Co-founder

Metalmark Innovations

Sissi Liu is passionate about solving complex societal problems by harnessing cutting-edge technology. She has 20 years of experience in climate tech commercialization, sustainability, entrepreneurship, and venture investing. Sissi co-founded  Metalmark Innovations, a Harvard spinout, to tackle the global air pollution crisis and climate change challenges. At Metalmark, she co-invented the company's key technologies and is leading the charge in bringing its products to market. Sissi has served on multiple company boards, and currently mentors startups at MIT and contributes to ASHRAE technical committees. Sissi holds a BA from Wellesley College and an MPP from Harvard University.