Extension Fund — 2023 Investments

1 investments dated 2023 · listed companies and verified rows first · show all

Gretelgretel.ai in 𝕏Apr 2023Acquired

Gretel provides synthetic data generation tools that enable developers to create high-quality, domain-specific datasets for training agentic AI systems and language models.

AI & Machine LearningData & InfrastructureDeveloper ToolsSaaSSan Diego, US

Ali Golshan(Founder)inLaszlo Bock(Founder)Alex Watson(Founder)John Myers(Founder)

BoardSridhar Ramaswamy(Board Partner (Greylock))inKelly Perdew(Director)in

Co-investorsEnzo Ventures Greylock Partners Insurtech Gateway Fund Moonshots Capital S32 Village Global +3 more

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.