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.
Co-founder & CTO at PhasesYC S25
Intro paths
YC
Jonathan went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Gustaf Alstromer — the partner who ran Phases's batch and knows the company first-hand. YC profile ↗
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In turn, Jonathan can intro founders to Phases's investors below.
Phases's investors · 4
Co-founders at Phases
JW
James WallCo-founder & CEO
AZ
Anton ZaliznyiCo-founder & Chief AI Officer