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Mark Probst estimated net worth profile

Mark Probst net worth

Mark Probst Net Worth 2026 (Estimated) · Founder at Glide · YC W19
est. wealth $14.0M

Quick answer

Mark Probst's estimated net worth is $14.0M (range $9.8M – $21.0M) as of 2026. Mark Probst is Founder at Glide. Glide valuation.

Mark Probst is Founder at Glide (YC W19). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameMark Probst
RoleFounder
CompanyGlide
YC batchW19
Est. company val$200.0M
Assumed ownership7%
Est. paper wealth / net worth$14.0M
$9.8M – $21.0M
  • Company status: Active
  • Region: United States of America
  • Industries: B2B, Engineering, Product and Design
  • Team size: 46
  • Website: https://www.glideapps.com

Who is Mark Probst?

Mark Probst is a founder at Glide, a company that participated in Y Combinator's Winter 2019 batch.

About Glide

Glide is a web-based app builder that allows non-programmers to quickly create powerful and beautiful internal business apps by starting from scratch, starting with a prompt, or starting with a spreadsheet.

For 30 years, app development had barely changed. When Glide launched, we brought app development out of the Dark Ages, making it web-based, collaborative, accessible, and fun.

Today, the influence of AI on...

FAQ: Mark Probst net worth and Glide valuation

What is Mark Probst's net worth?

Mark Probst's estimated net worth is $14.0M (range $9.8M – $21.0M) as of 2026. Mark Probst is Founder at Glide. 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 Glide valuation?

Glide's estimated valuation on Entrepreneurial Check is $200.0M. 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 Mark Probst's role?

Mark Probst is Founder at Glide, a Y Combinator-backed startup (batch W19).