Daryl Sew Net Worth (Estimated)
Founder at Certainly Health · YC S23, W21
Quick answer
Daryl Sew's estimated net worth / paper wealth is $11.5M (range $8.0M–$17.2M) as of 2026.
Daryl Sew is Founder at Certainly Health (YC S23, W21). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United States of America
- Industries: Healthcare, Consumer, Food and Beverage
- Team size: 2
- Website: https://certainlyhealth.com
Who is Daryl Sew?
Daryl Sew is a founder at Certainly Health, which was part of Y Combinator's S23 and W21 batches.
Highlights:
- Y Combinator S23
- Y Combinator W21
About Certainly Health
Patients enter their insurance and visit reason, and we use machine learning to predict and guarantee their out-of-pocket costs for every health provider. For health providers, we ensure their patients always pay the bill.
Model inputs
- Stage: seed
- Valuation tier: raise-10x
- Funding input: reported raise $2.3M
- Valuation note: Leftover $2.3M matches the Pacific 8 seed. Do not lock the YC-standard check or invent a Series A.
- Research as-of: 2026-09-14
- Funding source: https://www.healthcareittoday.com/2024/01/09/certainly-health-raises-2-3m-in-funding-to-enable-consumers-to-book-any-doctor-with-upfront-prices/
FAQ: Daryl Sew net worth and Certainly Health valuation
What is Daryl Sew's net worth?
Daryl Sew's estimated net worth / paper wealth is $11.5M (range $8.0M–$17.2M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Daryl Sew net worth
Daryl Sew's estimated net worth / paper wealth is $11.5M (range $8.0M–$17.2M) as of 2026. This Daryl Sew net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Daryl Sew worth?
Daryl Sew's estimated net worth / paper wealth is $11.5M (range $8.0M–$17.2M) as of 2026. How much Daryl Sew is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Daryl Sew?
Daryl Sew's estimated net worth / paper wealth is $11.5M (range $8.0M–$17.2M) as of 2026. “How rich is Daryl Sew” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Daryl Sew fortune
Daryl Sew's estimated net worth / paper wealth is $11.5M (range $8.0M–$17.2M) as of 2026. This Daryl Sew fortune figure is estimated paper wealth only, not a verified statement of assets.
Daryl Sew equity value
Daryl Sew's estimated net worth / paper wealth is $11.5M (range $8.0M–$17.2M) as of 2026. Daryl Sew equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Certainly Health valuation?
Certainly Health's estimated valuation on Entrepreneurial Check is $23.0M. Independent model output, not a verified appraisal or official mark.
What is Certainly Health post-money valuation?
Certainly Health's estimated valuation on Entrepreneurial Check is $23.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Certainly Health funding?
Certainly Health funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Certainly Health raised is not a complete cap table — figures are estimates only.
How much did Certainly Health raise?
How much Certainly Health raised, when disclosed, informs the estimated Certainly Health valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Certainly Health raise?
How much money Certainly Health raised, when a public figure is available, is a model input for the estimated Certainly Health valuation on this profile. Estimates only — not a complete cap table.
What is Certainly Health series funding?
Certainly Health series funding, when a public raise is disclosed, informs the estimated Certainly Health valuation here. Not a complete financing history.
What company is Daryl Sew building?
Daryl Sew is Founder at Certainly Health, a Y Combinator-backed startup (batch S23, W21).
What does Certainly Health do?
Certainly Health — Marketplace to book doctors and avoid surprise bills
What YC batch is Daryl Sew from?
Daryl Sew is associated with Y Combinator batch S23, W21.
What other companies is Daryl Sew connected to?
Public associations for Daryl Sew include Taste.
Where is Daryl Sew based?
Public directory data lists Daryl Sew's region as United States of America.
What industry is Daryl Sew in?
Daryl Sew is listed under Healthcare, Consumer, Food and Beverage.
How big is Certainly Health?
Public data lists Certainly Health's team size as 2.
What else is notable about Daryl Sew?
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.