Marie Brattberg Net Worth (Estimated)
Product Manager at Heysan · YC W07
Quick answer
Marie Brattberg's estimated net worth / paper wealth is $2.5M (range $1.7M–$3.7M) as of 2026.
Marie Brattberg is Product Manager at Heysan (YC W07). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Acquired
- Region: Sweden
- Industries: Consumer, Social
- Website: http://heysan.com
Who is Marie Brattberg?
Marie Brattberg is a founder at Heysan, a company that participated in Y Combinator's Winter 2007 batch.
Highlights:
- Y Combinator W07
- Heysan
About Heysan
Heysan was a free mobile messaging and community based in San Francisco, California.
Initially Heysan provided free messaging between phones and computers, bridging IM with SMS. The service expanded into launching a mobile community and has over 1 million users doing tens of million of monthly messages. In the summer of 2007 Heysan raised a seed round from Khosla Ventures and Atomico, the venture funds of Vinod...
Model inputs
- Stage: acquired
- Valuation tier: fallback-acquired
- Valuation note: [scale: $500k-class amount looked like a YC check, not a published seed]
- Research as-of: 2026-08-04
- Funding source: https://www.ycombinator.com/companies/heysan
FAQ: Marie Brattberg net worth and Heysan valuation
What is Marie Brattberg's net worth?
Marie Brattberg's estimated net worth / paper wealth is $2.5M (range $1.7M–$3.7M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Marie Brattberg net worth
Marie Brattberg's estimated net worth / paper wealth is $2.5M (range $1.7M–$3.7M) as of 2026. This Marie Brattberg net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Marie Brattberg worth?
Marie Brattberg's estimated net worth / paper wealth is $2.5M (range $1.7M–$3.7M) as of 2026. How much Marie Brattberg is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Marie Brattberg?
Marie Brattberg's estimated net worth / paper wealth is $2.5M (range $1.7M–$3.7M) as of 2026. “How rich is Marie Brattberg” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Marie Brattberg fortune
Marie Brattberg's estimated net worth / paper wealth is $2.5M (range $1.7M–$3.7M) as of 2026. This Marie Brattberg fortune figure is estimated paper wealth only, not a verified statement of assets.
Marie Brattberg equity value
Marie Brattberg's estimated net worth / paper wealth is $2.5M (range $1.7M–$3.7M) as of 2026. Marie Brattberg equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Heysan valuation?
Heysan's estimated valuation on Entrepreneurial Check is $100.0M. Independent model output, not a verified appraisal or official mark.
What is Heysan post-money valuation?
Heysan's estimated valuation on Entrepreneurial Check is $100.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Heysan funding?
Heysan funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Heysan raised is not a complete cap table — figures are estimates only.
How much did Heysan raise?
How much Heysan raised, when disclosed, informs the estimated Heysan valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Heysan raise?
How much money Heysan raised, when a public figure is available, is a model input for the estimated Heysan valuation on this profile. Estimates only — not a complete cap table.
What is Heysan series funding?
Heysan series funding, when a public raise is disclosed, informs the estimated Heysan valuation here. Not a complete financing history.
What company is Marie Brattberg building?
Marie Brattberg is Product Manager at Heysan, a Y Combinator-backed startup (batch W07).
What does Heysan do?
Heysan — Free messaging on mobile phones
What YC batch is Marie Brattberg from?
Marie Brattberg is associated with Y Combinator batch W07.
Where is Marie Brattberg based?
Public directory data lists Marie Brattberg's region as Sweden.
What industry is Marie Brattberg in?
Marie Brattberg is listed under Consumer, Social.
What is Heysan's status?
Heysan is listed as Acquired in public company data.
What else is notable about Marie Brattberg?
Y Combinator W07.
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.