Jonas Templestein Net Worth (Estimated)
Founder at Ark · YC W12
Quick answer
Jonas Templestein's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026.
Jonas Templestein is Founder at Ark (YC W12). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Inactive
- Education: Massachusetts Institute of Technology
- Region: Germany
- Industries: Consumer, Content
- Team size: 11
- Website: http://ark.com
Who is Jonas Templestein?
Jonas Templestein is a co-founder of Ark and an alumnus of Y Combinator.
Highlights:
- Y Combinator
- Ark
- MIT
About Ark
Ark.com is a search engine for people. With Ark, you can search for new people, old classmates, new business contacts, and even your friends. With over a billion social network profiles indexed, and using a modern architecture, Ark provided the most comprehensive people search engine in the world.
Prior to founding Ark, our team has experience at Google, AOL, Symantec, Lithium, Yahoo! Research and Y-Combinator.
Model inputs
- Stage: inactive
- Valuation tier: fallback-inactive
- Valuation note: no_discovery_sources [scale: acquired/inactive raise amount not used as 10× input]
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: Jonas Templestein net worth and Ark valuation
What is Jonas Templestein's net worth?
Jonas Templestein's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Jonas Templestein net worth
Jonas Templestein's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. This Jonas Templestein net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Jonas Templestein worth?
Jonas Templestein's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. How much Jonas Templestein is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Jonas Templestein?
Jonas Templestein's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. “How rich is Jonas Templestein” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Jonas Templestein fortune
Jonas Templestein's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. This Jonas Templestein fortune figure is estimated paper wealth only, not a verified statement of assets.
Jonas Templestein equity value
Jonas Templestein's estimated net worth / paper wealth is $19K (range $13K–$28K) as of 2026. Jonas Templestein equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Ark valuation?
Ark's estimated valuation on Entrepreneurial Check is $1.0M. Independent model output, not a verified appraisal or official mark.
What is Ark post-money valuation?
Ark's estimated valuation on Entrepreneurial Check is $1.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Ark funding?
Ark funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Ark raised is not a complete cap table — figures are estimates only.
How much did Ark raise?
How much Ark raised, when disclosed, informs the estimated Ark valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Ark raise?
How much money Ark raised, when a public figure is available, is a model input for the estimated Ark valuation on this profile. Estimates only — not a complete cap table.
What is Ark series funding?
Ark series funding, when a public raise is disclosed, informs the estimated Ark valuation here. Not a complete financing history.
What company is Jonas Templestein building?
Jonas Templestein is Founder at Ark, a Y Combinator-backed startup (batch W12).
What does Ark do?
Ark — Ark organizes the world's social information.
What YC batch is Jonas Templestein from?
Jonas Templestein is associated with Y Combinator batch W12.
Where did Jonas Templestein go to school?
Public profiles associate Jonas Templestein with Massachusetts Institute of Technology.
Where is Jonas Templestein based?
Public directory data lists Jonas Templestein's region as Germany.
What industry is Jonas Templestein in?
Jonas Templestein is listed under Consumer, Content.
How big is Ark?
Public data lists Ark's team size as 11.
What is Ark's status?
Ark is listed as Inactive in public company data.
What else is notable about Jonas Templestein?
Y Combinator.
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.