Sam Altman’s Startup Portfolio: 14 Companies Backed by the OpenAI CEO

observer.com/2025/06/sam-altman-startup-investments

The overnight success of ChatGPT in late 2022 made Sam Altman, the CEO of OpenAI, the public face of A.I. But a lesser-known aspect of Altman’s career is his long-standing role as a prolific angel investor in early-stage tech startups. Before co-founding OpenAI with Elon Musk in 2015,…

This story appeared on observer.com, 2025-06-25 19:48:28.
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