No. 214United States
Jack Clark
Artificial intelligence · San Francisco, California
Net worth
$14.2B
Today
$00.00%Past month
−$1.3B−8.39%As of Nov 11, 2026, 1:50 PM EST
Jack Clark is cofounder and head of policy at Anthropic, which builds large-scale artificial intelligence systems. He cofounded Anthropic in 2021 with six ex-OpenAI researchers. Anthropic, which private investors valued at $965 billion in May 2026, has partnerships with Google's parent company Alphabet and Amazon. Clark previously worked as a technology journalist at Bloomberg, before leaving for OpenAI in 2016. He writes a newsletter about AI research called Import AI. It has more than 69,000 subscribers.
Net worth over time
−8.39%−$1.3B over the past month
$16B$15B$14B
Oct 12Nov 11
Principal holdings
1 positions| Company | Industry | Share | Value |
|---|---|---|---|
Private holdings | Technology | 100.0% | $14.2B |