Josef Rokusek Net Worth (Estimated)

Who is Josef Rokusek?

Josef Rokusek is a founder involved with the startup HyLight, which is part of the Y Combinator Summer 2023 cohort.

Highlights:

• Y Combinator S23
• HyLight

About HyLight

HyLight builds and operates autonomous airships for long range monitoring. We focus on detecting methane leaks on pipelines and defects on power lines.

Our innovation, the HyLighter, is a crossover between drone and airship technology. Like a drone, it is easily controllable and transportable. And, like an airship, it is extremely energy-efficient, enabling it to fly for up to 10 hours at slow speed (22mph) for...

Model inputs

• Stage: seed
• Valuation tier: raise-10x
• Funding input: reported raise $4.0M
• Valuation note: Leftover $4M matches the published USD figure for the Apr 2024 seed. Do not lock tracker Series A relabel or invent a later A.
• Research as-of: 2026-09-14
• Funding source: https://tech.eu/2024/04/15/hylight-raises-4m-for-hydrogen-powered-airship-drones/

FAQ: Josef Rokusek net worth and HyLight valuation

What is Josef Rokusek's net worth?

Josef Rokusek's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Josef Rokusek net worth

Josef Rokusek's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Josef Rokusek net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Josef Rokusek worth?

Josef Rokusek's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. How much Josef Rokusek is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Josef Rokusek?

Josef Rokusek's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. “How rich is Josef Rokusek” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Josef Rokusek fortune

Josef Rokusek's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Josef Rokusek fortune figure is estimated paper wealth only, not a verified statement of assets.

Josef Rokusek equity value

Josef Rokusek's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Josef Rokusek equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is HyLight valuation?

HyLight's estimated valuation on Entrepreneurial Check is $40.0M. Independent model output, not a verified appraisal or official mark.

What is HyLight post-money valuation?

HyLight's estimated valuation on Entrepreneurial Check is $40.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is HyLight funding?

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

How much did HyLight raise?

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

How much money did HyLight raise?

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

What is HyLight series funding?

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

What company is Josef Rokusek building?

Josef Rokusek is Founder at HyLight, a Y Combinator-backed startup (batch S23).

What does HyLight do?

HyLight — Small unmanned hydrogen airships for long range monitoring

What YC batch is Josef Rokusek from?

Josef Rokusek is associated with Y Combinator batch S23.

Where is Josef Rokusek based?

Public directory data lists Josef Rokusek's region as France.

What industry is Josef Rokusek in?

Josef Rokusek is listed under Industrials, Climate.

How big is HyLight?

Public data lists HyLight's team size as 22.

What else is notable about Josef Rokusek?

Y Combinator S23.

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.