Lewis Hemens

Building | Founder & CTO of Dataform | ex-Google | YC18 | #LFG 🇬🇧

Co-founder

2025Building· Stealth

Founder · since 2018

Company

Stealth

Role

Building

current

Stage

—

no public source

Raised

—

no public source

Based

London Area, United Kingdom

current

Founder / co-founder — the company's markEmployee / research role

Profile coverage5 of 7 · missing posts, contact

Dataform

Manage data in Snowflake, BigQuery, and Redshift

Experience

Career

Stealth
Building · London Area, United Kingdom · 2025 – Present
2025
Google
Senior Staff Software Engineer · Greater London, England, United Kingdom · 2024 – 2025
2024
Google
Engineering Manager · Greater London, England, United Kingdom · 2020 – 2024
2020
dataform.co
Co-founder
Co-founder & CTO · London Area, United Kingdom · 2018 – 2020
2018
Google
Engineering Manager · London Area, United Kingdom · 2014 – 2017
2014
Google
Software Engineer · 2010 – 2014
2010

Ex CTO @ Dataform (Acquired) Google Engineering Manager in Data Analytics until 2024 Interested in data, AI, ML, can write small checks