Lewis Blackwood is founder and CTO at Rex, an enterprise order-to-cash AI platform. He was a founding engineer at Sequence, a venture-backed company, and cofounded Personably; earlier he was part of the initial team at GoCardless, a payments startup backed by Y Combinator, and studied economics at Cambridge University.
Intro paths
YC
Lewis went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
→
In turn, Lewis can intro founders to Rex's investors below.
Rex's investors · 1
Co-founders
Merlin Kafka· Co-founder & CEO