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About
Matthew McBrien is co-founder of Cohesion and previously worked in security roles at Amazon and AWS.
Founder at CohesionYC X26
Intro paths
Matthew went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Cohesion's batch and knows the company first-hand. YC profile ↗
In turn, Matthew can intro founders to Cohesion's investors below.
Cohesion's investors · 7
Co-founders at Cohesion
Frequently asked questions
- Who is Matthew McBrien?
- Matthew McBrien is co-founder of Cohesion and previously worked in security roles at Amazon and AWS.
- Where does Matthew McBrien work?
- Matthew McBrien is Founder of Cohesion.
- What companies did Matthew McBrien found?
- Matthew McBrien founded Cohesion.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Georgia Institute of Technology mafia457
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Cohesion'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