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About
Andrew Churchill studied computer science and mathematics at MIT. He was the first employee at Causal, where he worked on spreadsheet interface development, access control systems, and AI onboarding features. He is currently co-founder and CTO at Weave.
Founder at WeaveYC W25
Intro paths
Andrew went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran Weave's batch and knows the company first-hand. YC profile ↗
In turn, Andrew can intro founders to Weave's investors below.
Weave's investors · 11
Co-founders at Weave

Experience
- WeaveCo-Founder & CTOcurrent2024 — presentSan Francisco, California, United States
- CausalFounding Engineer2020 — 2024United States
- MicrosoftSoftware Engineer Intern2020Cambridge, Massachusetts
- SalesforceSoftware Engineer Intern2019San Francisco, California
- MIT Computer Science and Artificial Intelligence Laboratory (CSAIL)Researcher2018 — 2019Cambridge, Massachusetts
- MEET - Middle East Entrepreneurs of TomorrowComputer Science Instructor2018Jerusalem
- Tata Center for Technology and DesignResearch Assistant and Control System Developer2018Cambridge, Massachusetts
- MA Department of Conservation and RecreationLifeguard2017Greater Boston
- Edward M. Kennedy Institute for the United States SenateIntern2016 — 2017Greater Boston
- Kennedy PoolOffice Staff, Swim Instructor, and Lifeguard2013 — 2017Greater Boston
Skills & more
From Andrew's professional profile.
Frequently asked questions
- Who is Andrew Churchill?
- Andrew Churchill studied computer science and mathematics at MIT. He was the first employee at Causal, where he worked on spreadsheet interface development, access control systems, and AI onboarding features. He is currently co-founder and CTO at Weave.
- Where does Andrew Churchill work?
- Andrew Churchill is Founder of Weave.
- What companies did Andrew Churchill found?
- Andrew Churchill founded Weave.
- Where did Andrew Churchill go to school?
- Andrew Churchill studied at Y Combinator; Massachusetts Institute of Technology (Bachelor's, Electrical Engineering and Computer Science).
Founder mafias
Y Combinator mafia10,595
Also came through, then founded or led a company.
Microsoft mafia1,468
Also came through, then founded or led a company.
Massachusetts Institute of Technology mafia1,446
Also came through, then founded or led a company.
Salesforce mafia226
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
+ 1,994 more
Also attended Massachusetts Institute of Technology2,000
+ 1,994 more
Shared employers
Also worked at Weave1
Also worked at Causal4
Also worked at Microsoft2,000
+ 1,994 more
Also worked at Salesforce439
+ 433 more












































