SF1 is an early-stage venture fund that partners with AI-native founders building generational companies from inception to IPO. It was founded in 2025 by General Partner Sudarshan Sridharan, an early investor or advisor in 120+ companies including Mercor, Together AI, Browserbase and Railway, who previously founded Pipeline and Fion Technologies and co-founded Gen Z Mafia. SF1 co-led Supermemory's $3M pre-seed round in 2025.