Phil Brennan Net Worth (Estimated)

Who is Phil Brennan?

Phil Brennan is a founder at Cinder, part of the Winter 2022 Y Combinator cohort.

Highlights:

• Stanford University
• Cinder
• Y Combinator W22

About Cinder

From content moderation to AI safety, Cinder empowers businesses to orchestrate and automate digital safety at scale. Cinder was founded to help organizations foster safe online spaces for everyone. Our platform empowers companies from start-ups to enterprises with end-to-end capabilities to mitigate harm, investigate abuse, and produce trustworthy and reliable AI outcomes. Building your world-class company means...

Model inputs

• Stage: Series B
• Valuation tier: raise-10x
• Funding input: reported raise $41.0M
• Valuation note: Unsourced leftover $41M matches first-party Series B. Lock that close, not the 2022 $14M seed+A lifetime.
• Research as-of: 2026-09-14
• Funding source: https://cinder.ai/resources/blog/cinder-raises-41m-series-b-ai-abuse

FAQ: Phil Brennan net worth and Cinder valuation

What is Phil Brennan's net worth?

Phil Brennan's estimated net worth / paper wealth is $34.9M (range $24.4M–$52.3M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Phil Brennan net worth

Phil Brennan's estimated net worth / paper wealth is $34.9M (range $24.4M–$52.3M) as of 2026. This Phil Brennan net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Phil Brennan worth?

Phil Brennan's estimated net worth / paper wealth is $34.9M (range $24.4M–$52.3M) as of 2026. How much Phil Brennan is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Phil Brennan?

Phil Brennan's estimated net worth / paper wealth is $34.9M (range $24.4M–$52.3M) as of 2026. “How rich is Phil Brennan” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Phil Brennan fortune

Phil Brennan's estimated net worth / paper wealth is $34.9M (range $24.4M–$52.3M) as of 2026. This Phil Brennan fortune figure is estimated paper wealth only, not a verified statement of assets.

Phil Brennan equity value

Phil Brennan's estimated net worth / paper wealth is $34.9M (range $24.4M–$52.3M) as of 2026. Phil Brennan equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Cinder valuation?

Cinder's estimated valuation on Entrepreneurial Check is $410.0M. Independent model output, not a verified appraisal or official mark.

What is Cinder post-money valuation?

Cinder's estimated valuation on Entrepreneurial Check is $410.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Cinder funding?

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

How much did Cinder raise?

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

How much money did Cinder raise?

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

What is Cinder series funding?

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

What company is Phil Brennan building?

Phil Brennan is Founder at Cinder, a Y Combinator-backed startup (batch W22).

What does Cinder do?

Cinder — Infrastructure to protect companies from AI abuse

What YC batch is Phil Brennan from?

Phil Brennan is associated with Y Combinator batch W22.

Where did Phil Brennan go to school?

Public profiles associate Phil Brennan with Stanford University.

Where is Phil Brennan based?

Public directory data lists Phil Brennan's region as United States of America.

What industry is Phil Brennan in?

Phil Brennan is listed under B2B, Security.

How big is Cinder?

Public data lists Cinder's team size as 30.

What else is notable about Phil Brennan?

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.