Constantin Schreiber Net Worth (Estimated)

Who is Constantin Schreiber?

Constantin Schreiber is a founder associated with Fastgen, which participated in Y Combinator's Winter 2023 and Summer 2019 batches.

About Fastgen

Fastgen is a low-code API and workflow builder with an integrated Postgres DB. Our drag-and-drop platform allows you to rapidly develop custom APIs and workflows with ease. Our integrated Postgres DB makes it even easier to create, read, update, and delete data in your applications.

Model inputs

• Stage: seed
• Valuation tier: fallback-seed
• Valuation note: no_discovery_sources [scale: $500k-class amount looked like a YC check, not a published seed]
• Research as-of: 2026-08-04
• Funding input: no public raise amount found; stage fallback valuation

FAQ: Constantin Schreiber net worth and Fastgen valuation

What is Constantin Schreiber's net worth?

Constantin Schreiber's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Constantin Schreiber net worth

Constantin Schreiber's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. This Constantin Schreiber net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Constantin Schreiber worth?

Constantin Schreiber's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. How much Constantin Schreiber is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Constantin Schreiber?

Constantin Schreiber's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. “How rich is Constantin Schreiber” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Constantin Schreiber fortune

Constantin Schreiber's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. This Constantin Schreiber fortune figure is estimated paper wealth only, not a verified statement of assets.

Constantin Schreiber equity value

Constantin Schreiber's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. Constantin Schreiber equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Fastgen valuation?

Fastgen's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.

What is Fastgen post-money valuation?

Fastgen's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Fastgen funding?

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

How much did Fastgen raise?

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

How much money did Fastgen raise?

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

What is Fastgen series funding?

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

What company is Constantin Schreiber building?

Constantin Schreiber is Founder at Fastgen, a Y Combinator-backed startup (batch W23, S19).

What does Fastgen do?

Fastgen — Webflow for the Backend

What YC batch is Constantin Schreiber from?

Constantin Schreiber is associated with Y Combinator batch W23, S19.

What other companies is Constantin Schreiber connected to?

Public associations for Constantin Schreiber include Blair.

Where is Constantin Schreiber based?

Public directory data lists Constantin Schreiber's region as United States of America.

What industry is Constantin Schreiber in?

Constantin Schreiber is listed under B2B, Engineering, Product and Design, Fintech.

How big is Fastgen?

Public data lists Fastgen's team size as 7.

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.