Greg Brockman

Greg Brockman is a highly influential figure in the technology landscape, renowned as the Co-founder and Chairman of OpenAI, a pioneering force in artificial intelligence. His prior role as the CTO of Stripe, a leading fintech company, further cemented his reputation as a visionary leader with deep technical acumen. This unique background positions him as a strategic and highly sought-after angel investor, particularly within the burgeoning AI ecosystem.

Brockman's investment portfolio strongly reflects his professional focus and profound understanding of cutting-edge technologies. He is an exceptionally active angel investor, with over 20 distinct investments listed on platforms like Crunchbase, predominantly in seed-stage rounds. His thesis is heavily concentrated on artificial intelligence, machine learning, and developer tools, encompassing a wide array of companies that are shaping the future of these fields. Notable investments include several prominent AI startups such as Anthropic, Character.AI, Cohere, Inflection AI, Mistral AI, and xAI, many of which are direct or indirect competitors and collaborators within the AI landscape.

His involvement extends far beyond mere capital infusion. For early-stage companies, Brockman brings invaluable strategic guidance, unparalleled technical insights, and access to a vast network within the tech and AI communities. His participation in a funding round often serves as a significant validation for a startup, attracting further investment and talent. Given the highly competitive nature of the deals he participates in, particularly in the red-hot AI sector, his presence is a strong indicator of a company's potential.

While specific check sizes for angel investments are rarely publicly disclosed, based on the typical range for prominent angels in competitive seed rounds, Greg Brockman's first checks are estimated to fall within the range of $50,000 to $500,000. This range accounts for his status as a strategic angel, participating in highly promising and often oversubscribed early-stage ventures. His consistent activity and strategic focus underscore his commitment to fostering innovation and advancing the frontiers of artificial intelligence.