Directory
Greg Brockman

Greg Brockman

Verified: Jun 2026 (SMTP Validated)👑 Lead Investor
San Francisco, CA
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Check Size Range

Flexible Check Size

Preferred Stages
pre-seedseed

Background & Investment Thesis

Co-founder of OpenAI. Angel investor in AI infrastructure and safety.

Focus Industries

aideveloper-toolssafetydeep-tech

Notable Portfolio & Backed Deals

AI Outreach Insight94% Match Score

Active investor in ai, developer-tools, safety, deep-tech. Highly responsive to concise pitches with clear traction metrics.

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Key Deal Terms & Quick Facts

Audited venture due diligence summary for Greg Brockman

Verified Deal Signals
Typical Check Size

$100k – $2M

Direct angel check per syndicate / round
Target Stages
pre-seedseed
Early-stage entry valuation priority
Founder Pitch Contact

Verified (Protected — Unlock)

Direct mailbox protected against spam
Focus Industries & Categories
aideveloper-toolssafetydeep-tech
Notable Backed Deals & StartupsInternal company dossiers
OpenAI

Frequently Asked Questions about Greg Brockman

What is Greg Brockman's typical angel check size?▼

Greg Brockman's investment check size typically ranges around $100k – $2M, participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does Greg Brockman invest in?▼

Greg Brockman primarily backs early-stage startups across pre-seed, seed stages, focusing on ai, developer-tools, safety, deep-tech.

What companies are in Greg Brockman's angel portfolio?▼

Greg Brockman has backed notable companies including OpenAI.

How can startup founders contact or pitch Greg Brockman?▼

Founders can access verified direct email contact channels, AI-assisted pitch drafting, and syndicate warm intro paths for Greg Brockman through OpenAngels.