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John Sully estimated net worth profile

John Sully net worth

John Sully Net Worth 2026 (Estimated) · Founder at KeyDB · YC S20
est. wealth $7.5M

Quick answer

John Sully's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. John Sully is Founder at KeyDB. KeyDB valuation.

John Sully is Founder at KeyDB (YC S20). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameJohn Sully
RoleFounder
CompanyKeyDB
YC batchS20
Est. company val$100.0M
Assumed ownership7.5%
Est. paper wealth / net worth$7.5M
$5.25M – $11.25M
  • Company status: Acquired
  • Region: Canada
  • Industries: B2B, Infrastructure
  • Team size: 2
  • Website: https://keydb.dev

Who is John Sully?

John Sully is a co-founder of KeyDB, which participated in Y Combinator's S20 batch.

Highlights:

  • Y Combinator S20
  • KeyDB

About KeyDB

KeyDB is a fast key value database that combines in memory caching and FLASH persistence in a single package.

FAQ: John Sully net worth and KeyDB valuation

What is John Sully's net worth?

John Sully's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. John Sully is Founder at KeyDB. 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 KeyDB valuation?

KeyDB's estimated valuation on Entrepreneurial Check is $100.0M. 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 John Sully's role?

John Sully is Founder at KeyDB, a Y Combinator-backed startup (batch S20).