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Gigi Levy-Weiss photo

Gigi Levy-Weiss

General Partner, NFX

About

Gigi Levy-Weiss is a former Israeli Air Force pilot who uses his pilot training to identify high-agency entrepreneurs who stay calm under pressure, and he brings deep hands-on experience as a repeat founder and CEO of major public companies like 888 Holdings before becoming a VC. He's known for his data-obsessed approach to evaluating startups through detailed retention and engagement cohorts rather than vanity metrics, and he champions a philosophy of running thousands of simultaneous experiments to build learning organizations that can exploit AI agents for ultra-lean operations. Gigi Levy-Weiss is a former Israeli Air Force pilot who uses his pilot training to identify high-agency entrepreneurs who stay calm under pressure, and he brings deep hands-on experience as a repeat founder and CEO of major public companies like 888 Holdings before becoming a VC. He's known for his data-obsessed approach to evaluating startups through detailed retention and engagement cohorts rather than vanity metrics, and he champions a philosophy of running thousands of simultaneous experiments to build learning organizations that can exploit AI agents for ultra-lean operations.

Works At

NFX

General Partner

Investment Focus

Stages
Pre-Seed
Seed
Sectors
AI
Biotech
Marketplaces
Web3 / Crypto
Fintech

Investment Details

Avg Check Size$500K - $5M
Can Lead Rounds
Yes
Geographies
USA
Israel
LatAm