David Greenspan Net Worth (Estimated)

Who is David Greenspan?

David Greenspan is known for co-founding AppJet, which was part of Y Combinator's Summer 2007 batch.

Highlights:

• Harvard University
• Google
• Yahoo

About Appjet

Y Combinator funded AppJet is an online programming tool for building simple web apps. Founded by former MIT students, AppJet intends to simplify the process of writing web applications. The applications are programmed on a web based text editor in the simple but powerful JavaScript programming language. JavaScript is used on both the server and client side. They've included several bundles of code libraries for...

Model inputs

• Stage: acquired
• Valuation tier: fallback-acquired
• Valuation note: [scale: acquired/inactive raise amount not used as 10× input]
• Research as-of: 2026-08-04
• Funding source: https://fusiondiginet.com/2009/12/04/google-is-acquiring-appjet-the-small-startup-that-builds-the-popular-collaboration-tool-etherpad/

FAQ: David Greenspan net worth and Appjet valuation

What is David Greenspan's net worth?

David Greenspan'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.

David Greenspan net worth

David Greenspan's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. This David Greenspan net worth figure is estimated paper wealth, not a verified statement of assets.

How much is David Greenspan worth?

David Greenspan's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. How much David Greenspan is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is David Greenspan?

David Greenspan's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. “How rich is David Greenspan” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

David Greenspan fortune

David Greenspan's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. This David Greenspan fortune figure is estimated paper wealth only, not a verified statement of assets.

David Greenspan equity value

David Greenspan's estimated net worth / paper wealth is $5.0M (range $3.5M–$7.5M) as of 2026. David Greenspan equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Appjet valuation?

Appjet's estimated valuation on Entrepreneurial Check is $100.0M. Independent model output, not a verified appraisal or official mark.

What is Appjet post-money valuation?

Appjet's estimated valuation on Entrepreneurial Check is $100.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Appjet funding?

Appjet funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Appjet raised is not a complete cap table — figures are estimates only.

How much did Appjet raise?

How much Appjet raised, when disclosed, informs the estimated Appjet valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did Appjet raise?

How much money Appjet raised, when a public figure is available, is a model input for the estimated Appjet valuation on this profile. Estimates only — not a complete cap table.

What is Appjet series funding?

Appjet series funding, when a public raise is disclosed, informs the estimated Appjet valuation here. Not a complete financing history.

What company is David Greenspan building?

David Greenspan is Founder at Appjet, a Y Combinator-backed startup (batch S07).

What YC batch is David Greenspan from?

David Greenspan is associated with Y Combinator batch S07.

Where did David Greenspan go to school?

Public profiles associate David Greenspan with Harvard University.

What other companies is David Greenspan connected to?

Public associations for David Greenspan include Google, Yahoo.

Where is David Greenspan based?

Public directory data lists David Greenspan's region as United States of America.

What industry is David Greenspan in?

David Greenspan is listed under B2B, Engineering, Product and Design.

How big is Appjet?

Public data lists Appjet's team size as 3.

What is Appjet's status?

Appjet is listed as Acquired in public company data.

What else is notable about David Greenspan?

Harvard University.

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.