Lionheart Ventures

Lionheart Ventures is a venture capital firm founded in 2019 and based in San Francisco, California, with additional operations across Los Angeles and Portland. The firm invests primarily at the seed stage in transformative technologies the team believes can mitigate civilizational risks, with concentration in artificial intelligence (including AI safety) and frontier mental-health technologies. Check sizes typically range from USD 100,000 to USD 5 million, with a sweet spot of approximately USD 1.5 million, and the portfolio includes Anthropic, Calm, TRIPP, and Piramidal. The firm's team of five includes two general partners plus venture partners drawn from neuroscience, AI governance, psychedelic-assisted therapy, and the Foresight Institute.