2x founder

Jonathan van Wersch

Co-Founder & CTO @ Phases

Co-founder

Phases· Summer 2025🇺🇸 United States

in LinkedIn

2025Co-founder· Phases

Founder · since 2022

Company

Phases

Role

Co-Founder & CTO

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco Bay Area

current

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Phases

Automated clinical trial oversight and execution

Summer 2025

Experience

Career

Phases
Co-founder
Co-Founder & CTO · San Francisco Bay Area · 2025 – Present
2025
Meta
Software Engineer · London Area, United Kingdom · 2024 – 2025
2024
Improbable
Founder
Software Engineer · Greater London, England, United Kingdom · 2022 – 2024
2022
Acre
Software Engineer · Greater London, England, United Kingdom · 2021 – 2022
2021
Unilever
Mechanical Design Engineer · Bedford, England, United Kingdom · 2019
2019
GKN Aerospace
Additive Manufacturing Engineer · Greater Bristol Area, United Kingdom · 2017 – 2018
2017

Bio

Accelerating & automating clinical trials with AI agents. - Previously a software engineer at Meta, where I worked on integrating machine learning into the mobile ads manager app. - Before Meta, I was at Improbable, a UK unicorn, where I helped scale the web platform team from 3 to 20 engineers. - I hold a bachelors and masters in mechanical engineering from the University of Bath, where I was project manager and engineering lead for the university's rocket team.