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Jonas Templestein estimated net worth profile

Jonas Templestein net worth

Jonas Templestein Net Worth 2026 (Estimated) · Founder at Ark · YC W12
est. wealth $19K

Quick answer

Jonas Templestein's estimated net worth is $19K (range $13K – $28K) as of 2026. Jonas Templestein is Founder at Ark. Ark valuation.

Jonas Templestein is Founder at Ark (YC W12). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameJonas Templestein
RoleFounder
CompanyArk
YC batchW12
Est. company val$1.0M
Assumed ownership1.9%
Est. paper wealth / net worth$19K
$13K – $28K
  • 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.

FAQ: Jonas Templestein net worth and Ark valuation

What is Jonas Templestein's net worth?

Jonas Templestein's estimated net worth is $19K (range $13K – $28K) as of 2026. Jonas Templestein is Founder at Ark. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.

What is Ark valuation?

Ark's estimated valuation on Entrepreneurial Check is $1.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.

What is Jonas Templestein's role?

Jonas Templestein is Founder at Ark, a Y Combinator-backed startup (batch W12).