Jonathan van Wersch Net Worth (Estimated)
Co-founder & CTO at Phases · YC S25
Quick answer
Jonathan van Wersch's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026.
Jonathan van Wersch is Co-founder & CTO at Phases (YC S25). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United Kingdom
- Industries: Healthcare, Healthcare IT
- Team size: 3
- Website: https://phases.ai
Who is Jonathan van Wersch?
Jonathan van Wersch is a founder at Phases, a startup in Y Combinator's Summer 2025 batch.
About Phases
Phases deploys AI agents to oversee clinical trials, improving operational performance, data quality, and audit readiness by identifying risks and taking actions autonomously to solve issues.
Model inputs
- Stage: seed
- Valuation tier: fallback-seed
- Valuation note: Leftover unsourced $500k is the inferred YC cheque (wrongly cited to a Harvey funding story). Do not lock accelerator placeholders. Clear.
- Research as-of: 2026-09-14
- Funding source: https://www.ycombinator.com/companies/phases
FAQ: Jonathan van Wersch net worth and Phases valuation
What is Jonathan van Wersch's net worth?
Jonathan van Wersch's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Jonathan van Wersch net worth
Jonathan van Wersch's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. This Jonathan van Wersch net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Jonathan van Wersch worth?
Jonathan van Wersch's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. How much Jonathan van Wersch is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Jonathan van Wersch?
Jonathan van Wersch's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. “How rich is Jonathan van Wersch” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Jonathan van Wersch fortune
Jonathan van Wersch's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. This Jonathan van Wersch fortune figure is estimated paper wealth only, not a verified statement of assets.
Jonathan van Wersch equity value
Jonathan van Wersch's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. Jonathan van Wersch equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Phases valuation?
Phases's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.
What is Phases post-money valuation?
Phases's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Phases funding?
Phases funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Phases raised is not a complete cap table — figures are estimates only.
How much did Phases raise?
How much Phases raised, when disclosed, informs the estimated Phases valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Phases raise?
How much money Phases raised, when a public figure is available, is a model input for the estimated Phases valuation on this profile. Estimates only — not a complete cap table.
What is Phases series funding?
Phases series funding, when a public raise is disclosed, informs the estimated Phases valuation here. Not a complete financing history.
What company is Jonathan van Wersch building?
Jonathan van Wersch is Co-founder & CTO at Phases, a Y Combinator-backed startup (batch S25).
What does Phases do?
Phases — Automated clinical trial oversight and execution
What YC batch is Jonathan van Wersch from?
Jonathan van Wersch is associated with Y Combinator batch S25.
Where is Jonathan van Wersch based?
Public directory data lists Jonathan van Wersch's region as United Kingdom.
What industry is Jonathan van Wersch in?
Jonathan van Wersch is listed under Healthcare, Healthcare IT.
How big is Phases?
Public data lists Phases's team size as 3.
Is Entrepreneurial Check affiliated with Y Combinator?
No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.