A profile of Jaan Tallinn, who led Anthropic's $124M Series A in 2021, has advocated for AI safety for over a decade, and donated ~$170M to safety initiatives (Kate Clark/Wall Street Journal)

Jaan Tallinn, an early investor in Anthropic, led the company's $124M Series A in 2021. He has been a vocal advocate for AI safety for over a decade, warning against a "race to build a technology that could end humanity." Tallinn has demonstrated his commitment to AI safety by donating approximately $170M to various safety initiatives.

This profile offers a rare look into Jaan Tallinn's personal motivations and long-standing commitment to AI safety, unlike typical reports focusing solely on his investment activities.