Investment Stage

Focus Areas

About Investor

Sam Altman is an independent Angel Investor based in San Francisco, United States. He focuses on AI, BioTech, EnergyTech, and Consumer Internet companies at the Seed and Series A stages. His investment work centers on intelligent systems, biotechnology innovation, energy technologies, and consumer-facing digital products. Sam generally invests between $100K and $5M, with a preferred ticket of approximately $1M. As a lead investor, he contributes directly to company assessment, strategic development, financing decisions, and portfolio strategy. Through his independent angel investments, he supports ambitious founders developing transformative technologies and scalable consumer businesses.