Eric Maciolek Net Worth (Estimated)

Who is Eric Maciolek?

Eric Maciolek is a founder associated with H3X Technologies, a Y Combinator startup from Winter 2021.

Highlights:

• Y Combinator W21
• H3X Technologies

About H3X Technologies

At H3X, we are making the lightest, high-power electric propulsion systems in the world to enable a large-scale revolution in aircraft electrification.

Our first product is a 250-kW (335 HP) integrated motor drive in an 18 kg package. It combines the electric motor, inverter, and gearbox into a single powerful unit and is the culmination of patent pending innovation in multiple areas.

Model inputs

• Stage: series-a
• Valuation tier: raise-10x
• Funding input: reported raise $20.0M
• Valuation note: YC W21 H3X. Gemini leftover $20M matches the published A. Do not lock a Form D ~$20.3M restatement or lifetime totals.
• Research as-of: 2026-09-14
• Funding source: https://www.prnewswire.com/news-releases/h3x-closes-oversubscribed-20m-series-a-to-advance-revolutionary-electric-motors-in-aerospace-defense-and-marine-sectors-302214981.html

FAQ: Eric Maciolek net worth and H3X Technologies valuation

What is Eric Maciolek's net worth?

Eric Maciolek's estimated net worth / paper wealth is $28.0M (range $19.6M–$42.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Eric Maciolek net worth

Eric Maciolek's estimated net worth / paper wealth is $28.0M (range $19.6M–$42.0M) as of 2026. This Eric Maciolek net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Eric Maciolek worth?

Eric Maciolek's estimated net worth / paper wealth is $28.0M (range $19.6M–$42.0M) as of 2026. How much Eric Maciolek is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Eric Maciolek?

Eric Maciolek's estimated net worth / paper wealth is $28.0M (range $19.6M–$42.0M) as of 2026. “How rich is Eric Maciolek” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Eric Maciolek fortune

Eric Maciolek's estimated net worth / paper wealth is $28.0M (range $19.6M–$42.0M) as of 2026. This Eric Maciolek fortune figure is estimated paper wealth only, not a verified statement of assets.

Eric Maciolek equity value

Eric Maciolek's estimated net worth / paper wealth is $28.0M (range $19.6M–$42.0M) as of 2026. Eric Maciolek equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is H3X Technologies valuation?

H3X Technologies's estimated valuation on Entrepreneurial Check is $200.0M. Independent model output, not a verified appraisal or official mark.

What is H3X Technologies post-money valuation?

H3X Technologies's estimated valuation on Entrepreneurial Check is $200.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is H3X Technologies funding?

H3X Technologies funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much H3X Technologies raised is not a complete cap table — figures are estimates only.

How much did H3X Technologies raise?

How much H3X Technologies raised, when disclosed, informs the estimated H3X Technologies valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did H3X Technologies raise?

How much money H3X Technologies raised, when a public figure is available, is a model input for the estimated H3X Technologies valuation on this profile. Estimates only — not a complete cap table.

What is H3X Technologies series funding?

H3X Technologies series funding, when a public raise is disclosed, informs the estimated H3X Technologies valuation here. Not a complete financing history.

What company is Eric Maciolek building?

Eric Maciolek is Founder at H3X Technologies, a Y Combinator-backed startup (batch W21).

What does H3X Technologies do?

H3X Technologies — The lightest electric aircraft motors in the world.

What YC batch is Eric Maciolek from?

Eric Maciolek is associated with Y Combinator batch W21.

Where is Eric Maciolek based?

Public directory data lists Eric Maciolek's region as United States of America.

What industry is Eric Maciolek in?

Eric Maciolek is listed under Industrials, Aviation and Space.

How big is H3X Technologies?

Public data lists H3X Technologies's team size as 58.

What else is notable about Eric Maciolek?

Y Combinator W21.

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.