Lennert Jansen Net Worth (Estimated)
Founder at Airweave · YC P25
Quick answer
Lennert Jansen's estimated net worth / paper wealth is $30.0M (range $21.0M–$45.0M) as of 2026.
Lennert Jansen is Founder at Airweave (YC P25). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Bachelor's degree from Stanford University
- Region: United States of America
- Industries: B2B, Infrastructure
- Team size: 7
- Website: https://airweave.ai
Who is Lennert Jansen?
Lennert Jansen is a founder at Airweave, which is involved in innovative technology and materials.
Highlights:
- Stanford University
- Y Combinator
About Airweave
Open-source context retrieval for AI agents across workspaces. It connects to productivity tools, email, document stores, or any private data source and transforms their contents into searchable knowledge bases for agents.
Model inputs
- Stage: seed
- Valuation tier: raise-10x
- Funding input: reported raise $6.0M
- Valuation note: Current unsourced $6M matches the company blog. YC LinkedIn restates the same seed. Lock. Do not add the earlier YC $125k as a second round.
- Research as-of: 2026-09-14
- Funding source: https://airweave.ai/blog/airweave-raises-6m-seed-round
FAQ: Lennert Jansen net worth and Airweave valuation
What is Lennert Jansen's net worth?
Lennert Jansen's estimated net worth / paper wealth is $30.0M (range $21.0M–$45.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Lennert Jansen net worth
Lennert Jansen's estimated net worth / paper wealth is $30.0M (range $21.0M–$45.0M) as of 2026. This Lennert Jansen net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Lennert Jansen worth?
Lennert Jansen's estimated net worth / paper wealth is $30.0M (range $21.0M–$45.0M) as of 2026. How much Lennert Jansen is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Lennert Jansen?
Lennert Jansen's estimated net worth / paper wealth is $30.0M (range $21.0M–$45.0M) as of 2026. “How rich is Lennert Jansen” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Lennert Jansen fortune
Lennert Jansen's estimated net worth / paper wealth is $30.0M (range $21.0M–$45.0M) as of 2026. This Lennert Jansen fortune figure is estimated paper wealth only, not a verified statement of assets.
Lennert Jansen equity value
Lennert Jansen's estimated net worth / paper wealth is $30.0M (range $21.0M–$45.0M) as of 2026. Lennert Jansen equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Airweave valuation?
Airweave's estimated valuation on Entrepreneurial Check is $60.0M. Independent model output, not a verified appraisal or official mark.
What is Airweave post-money valuation?
Airweave's estimated valuation on Entrepreneurial Check is $60.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Airweave funding?
Airweave funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Airweave raised is not a complete cap table — figures are estimates only.
How much did Airweave raise?
How much Airweave raised, when disclosed, informs the estimated Airweave valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Airweave raise?
How much money Airweave raised, when a public figure is available, is a model input for the estimated Airweave valuation on this profile. Estimates only — not a complete cap table.
What is Airweave series funding?
Airweave series funding, when a public raise is disclosed, informs the estimated Airweave valuation here. Not a complete financing history.
What company is Lennert Jansen building?
Lennert Jansen is Founder at Airweave, a Y Combinator-backed startup (batch P25).
What does Airweave do?
Airweave — The open-source context retrieval layer for agents
What YC batch is Lennert Jansen from?
Lennert Jansen is associated with Y Combinator batch P25.
Where did Lennert Jansen go to school?
Public profiles associate Lennert Jansen with Bachelor's degree from Stanford University.
What other companies is Lennert Jansen connected to?
Public associations for Lennert Jansen include Google, Y Combinator.
Where is Lennert Jansen based?
Public directory data lists Lennert Jansen's region as United States of America.
What industry is Lennert Jansen in?
Lennert Jansen is listed under B2B, Infrastructure.
How big is Airweave?
Public data lists Airweave's team size as 7.
What else is notable about Lennert Jansen?
Stanford 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.