Eric A Hahn, Angel Investor at Eric Hahn, San Francisco, CA, United States — verified investor profile. See sector focus and contact routes.
Eric A. Hahn is the founder of Inventures Group, an early-stage “mentor capital” fund in Palo Alto/San Francisco where he acts as both investor and active technical mentor, drawing on a background as Netscape’s CTO and founder of Collabra Software. His investment thesis targets seed and pre-seed companies in North America, especially Silicon Valley and San Francisco, with a focus on high intellectual-property content, freemium models, and SaaS subscriptions rather than ad-supported businesses. Typical check sizes range from $50,000 to $250,000 for angel rounds, though his mentor-investing checks can reach $100,000 to $1 million, and he often leads by taking an active role in hiring, product, and even coding. Notable portfolio companies include Red Hat (now public), Accept.com (acquired by Amazon), Zimbra, and Good Technology. Hahn distinguishes himself through “mentor investing,” a model where he writes a check to gain equity plus the right to help develop the idea, hire people, and write code, blending capital with hands-on technical guidance. He has publicly described this approach in IEEE Spectrum as a way to support founders who have ideas but need
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