Mattan Griffel Net Worth (Estimated)
CEO at Ophelia · YC W20, S13
Quick answer
Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026.
Mattan Griffel is CEO at Ophelia (YC W20, S13). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Columbia University
- Region: United States of America
- Industries: Healthcare, Consumer Health and Wellness, Education
- Team size: 250
- Website: https://ophelia.com
Who is Mattan Griffel?
Mattan Griffel is a co-founder of Ophelia, a startup that helps people with opioid addiction. He is also a Y Combinator alumnus.
Highlights:
- Columbia University
- Y Combinator
- Techstars
About Ophelia
Ophelia helps people quit opioids without going to rehab. We offer online doctor’s visits, withdrawal medication prescriptions, and support for long-term recovery, using a protocol 6x more effective than most rehabs (2/3rds of which don't have doctors).
More than 3 million Americans are addicted to opioids, but 80% are not getting help, due to jobs, families, and privacy concerns. Meanwhile, there's a proven...
Model inputs
- Stage: series-a
- Valuation tier: fallback-series-a
- Valuation note: no_discovery_sources [scale: large-team amount with no round/valuation — not 10×'d]
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: Mattan Griffel net worth and Ophelia valuation
What is Mattan Griffel's net worth?
Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Mattan Griffel net worth
Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. This Mattan Griffel net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Mattan Griffel worth?
Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. How much Mattan Griffel is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Mattan Griffel?
Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. “How rich is Mattan Griffel” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Mattan Griffel fortune
Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. This Mattan Griffel fortune figure is estimated paper wealth only, not a verified statement of assets.
Mattan Griffel equity value
Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. Mattan Griffel equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Ophelia valuation?
Ophelia's estimated valuation on Entrepreneurial Check is $80.0M. Independent model output, not a verified appraisal or official mark.
What is Ophelia post-money valuation?
Ophelia's estimated valuation on Entrepreneurial Check is $80.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Ophelia CEO net worth?
Mattan Griffel is listed as CEO at Ophelia. Mattan Griffel's estimated net worth / paper wealth is $14.6M (range $10.2M–$21.8M) as of 2026. This Ophelia CEO net worth figure is an independent paper-wealth estimate, not verified net worth.
What is Ophelia funding?
Ophelia funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Ophelia raised is not a complete cap table — figures are estimates only.
How much did Ophelia raise?
How much Ophelia raised, when disclosed, informs the estimated Ophelia valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Ophelia raise?
How much money Ophelia raised, when a public figure is available, is a model input for the estimated Ophelia valuation on this profile. Estimates only — not a complete cap table.
What is Ophelia series funding?
Ophelia series funding, when a public raise is disclosed, informs the estimated Ophelia valuation here. Not a complete financing history.
What company is Mattan Griffel building?
Mattan Griffel is CEO at Ophelia, a Y Combinator-backed startup (batch W20, S13).
What does Ophelia do?
Ophelia — Medication & support to beat opioid addiction from home
What YC batch is Mattan Griffel from?
Mattan Griffel is associated with Y Combinator batch W20, S13.
Where did Mattan Griffel go to school?
Public profiles associate Mattan Griffel with Columbia University.
What other companies is Mattan Griffel connected to?
Public associations for Mattan Griffel include Ophelia, Y Combinator, Techstars.
Where is Mattan Griffel based?
Public directory data lists Mattan Griffel's region as United States of America.
What industry is Mattan Griffel in?
Mattan Griffel is listed under Healthcare, Consumer Health and Wellness, Education.
How big is Ophelia?
Public data lists Ophelia's team size as 250.
What else is notable about Mattan Griffel?
Columbia 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.