William MacAskill Net Worth (Estimated)

Who is William MacAskill?

William MacAskill is a philosopher and a co-founder of the Centre for Effective Altruism, focusing on applying evidence-based approaches to altruism and ethical decision-making.

Highlights:

• University of Cambridge
• University of Oxford
• Author of 'Doing Good Better'

About The Centre for Effective Altruism

effective altruism — the use of high-quality evidence and careful reasoning to work out how to help others as much as possible. Its purpose is to help you figure out how you can do the most good. It will help you think about which cause to focus on and how to use your money or your time to start making a difference, right away.

Model inputs

• Stage: seed
• Valuation tier: fallback-seed
• Valuation note: Clear leftover invented $3.1M. CEA is a nonprofit; grants are not a priced equity primary.
• Research as-of: 2026-09-14
• Funding source: https://www.effectivealtruism.org/articles/why-nonprofits-should-apply-to-y-combinator

FAQ: William MacAskill net worth and The Centre for Effective Altruism valuation

What is William MacAskill's net worth?

William MacAskill's estimated net worth / paper wealth is $3.3M (range $2.3M–$5.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

William MacAskill net worth

William MacAskill's estimated net worth / paper wealth is $3.3M (range $2.3M–$5.0M) as of 2026. This William MacAskill net worth figure is estimated paper wealth, not a verified statement of assets.

How much is William MacAskill worth?

William MacAskill's estimated net worth / paper wealth is $3.3M (range $2.3M–$5.0M) as of 2026. How much William MacAskill is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is William MacAskill?

William MacAskill's estimated net worth / paper wealth is $3.3M (range $2.3M–$5.0M) as of 2026. “How rich is William MacAskill” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

William MacAskill fortune

William MacAskill's estimated net worth / paper wealth is $3.3M (range $2.3M–$5.0M) as of 2026. This William MacAskill fortune figure is estimated paper wealth only, not a verified statement of assets.

William MacAskill equity value

William MacAskill's estimated net worth / paper wealth is $3.3M (range $2.3M–$5.0M) as of 2026. William MacAskill equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is The Centre for Effective Altruism valuation?

The Centre for Effective Altruism's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.

What is The Centre for Effective Altruism post-money valuation?

The Centre for Effective Altruism'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 The Centre for Effective Altruism funding?

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

How much did The Centre for Effective Altruism raise?

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

How much money did The Centre for Effective Altruism raise?

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

What is The Centre for Effective Altruism series funding?

The Centre for Effective Altruism series funding, when a public raise is disclosed, informs the estimated The Centre for Effective Altruism valuation here. Not a complete financing history.

What company is William MacAskill building?

William MacAskill is President at The Centre for Effective Altruism, a Y Combinator-backed startup (batch W17, S15).

What does The Centre for Effective Altruism do?

The Centre for Effective Altruism — We're your non-profit portfolio managers. We make giving to…

What YC batch is William MacAskill from?

William MacAskill is associated with Y Combinator batch W17, S15.

Where did William MacAskill go to school?

Public profiles associate William MacAskill with PhD in Philosophy from the University of Oxford.

What other companies is William MacAskill connected to?

Public associations for William MacAskill include 80, 000 Hours.

Where is William MacAskill based?

Public directory data lists William MacAskill's region as United Kingdom.

What industry is William MacAskill in?

William MacAskill is listed under Unspecified.

How big is The Centre for Effective Altruism?

Public data lists The Centre for Effective Altruism's team size as 15.

What else is notable about William MacAskill?

University of Cambridge.

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.