FounderVerified
Alistair Pullen
Co-founder & CEO of Cosine; full-stack engineer who has built AI products since 2018 and previously founded Fancy (YC S20, acquired by GoPuff).
Alistair Pullen is co-founder and CEO of Cosine. A University of Exeter computer science graduate, he founded the grocery-delivery app Fancy (Y Combinator S20), which was acquired by GoPuff, before starting Cosine in 2022 to build autonomous AI software engineers.
Overview
- Role
- Co-founder & CEO
- Based in
- London, United Kingdom
- Prior experience
- Fancy (YC S20), GoPuff, Buoy
Affiliated funds0
No linked records yet.
Frequently asked
- Who is Alistair Pullen?
- Alistair Pullen is co-founder and CEO of Cosine. A University of Exeter computer science graduate, he founded the grocery-delivery app Fancy (Y Combinator S20), which was acquired by GoPuff, before starting Cosine in 2022 to build autonomous AI software engineers.
- What is Alistair Pullen's role?
- Alistair Pullen is Co-founder & CEO, based in London, United Kingdom.
- Where did Alistair Pullen work before?
- Alistair Pullen's prior roles include Fancy (YC S20), GoPuff, Buoy.
Sources & citations1
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Co-founder & CEO of Cosine; Exeter CS graduate; previously founded Fancy (YC S20, acquired by GoPuff); building AI products since 2018
Telefónica Tech: Alistair Pullen, CEO & Co-Founder, CosineVerified2026-07-18