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About
Jonathan van Wersch worked as a software engineer at Meta on machine learning integration for mobile ads, and previously at UK-based Improbable where he led growth of the web platform team. He holds bachelor's and master's degrees in mechanical engineering from the University of Bath, where he served as project manager and engineering lead for the university's rocket team.
CTO at PhasesYC S25
Intro paths
Jonathan went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Gustaf Alstromer, General Partner at Y Combinator — the partner who ran Phases's batch and knows the company first-hand. YC profile ↗
In turn, Jonathan can intro founders to Phases's investors below.
Phases's investors · 7
Co-founders at Phases
Frequently asked questions
- Who is Jonathan van Wersch?
- Jonathan van Wersch worked as a software engineer at Meta on machine learning integration for mobile ads, and previously at UK-based Improbable where he led growth of the web platform team. He holds bachelor's and master's degrees in mechanical engineering from the University of Bath, where he served as project manager and engineering lead for the university's rocket team.
- Where does Jonathan van Wersch work?
- Jonathan van Wersch is CTO of Phases.
- What companies did Jonathan van Wersch found?
- Jonathan van Wersch founded Phases.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Meta mafia336
Also came through, then founded or led a company.
Meta mafia308
Also came through, then founded or led a company.
University of Bath mafia82
Also came through, then founded or led a company.
Improbable mafia16
Also came through, then founded or led a company.
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