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About
Merlin spent four years as Chief Product Officer at Sequence, an order-to-cash platform, before founding Rex. He previously held a product management role at Tessian and studied Industrial Engineering at Cambridge and Product Design at Glasgow.
CEO at RexYC S26
Intro paths
Merlin went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Vivian Midha Shen, Founder at Acely — the partner who ran Rex's batch and knows the company first-hand.
In turn, Merlin can intro founders to Rex's investors below.
Rex's investors · 16
Co-founders at Rex
Frequently asked questions
- Who is Merlin Kafka?
- Merlin spent four years as Chief Product Officer at Sequence, an order-to-cash platform, before founding Rex. He previously held a product management role at Tessian and studied Industrial Engineering at Cambridge and Product Design at Glasgow.
- Where does Merlin Kafka work?
- Merlin Kafka is CEO of Rex.
- What companies did Merlin Kafka found?
- Merlin Kafka founded Rex.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
University of Cambridge mafia725
Also came through, then founded or led a company.
Nanyang Technological University Singapore mafia123
Also came through, then founded or led a company.
University of Strathclyde mafia30
Also came through, then founded or led a company.
Tessian mafia10
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Rex's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights