Gustaf Alstromer Net Worth (Estimated)
CEO at Heysan · YC W07
Quick answer
Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026.
Gustaf Alstromer is CEO at Heysan (YC W07). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Acquired
- Background: Swedish
- Region: United States of America
- Industries: Consumer, Social
- Website: http://heysan.com
Who is Gustaf Alstromer?
Gustaf Alstromer is a General Partner at Y Combinator, where he has worked with over 600 startups. He previously spent 4.5 years as a Product Lead on the Growth team at Airbnb and was the CEO & co-founder of Heysan (YC W07).
Highlights:
- Co-founder of Heysan (YC W07), acquired by Good Technology in 2009
- Product Lead on the Growth team at Airbnb for 4.5 years
- General Partner at Y Combinator, mentored over 600 startups
Background
He is originally from Sweden and grew up there. Heritage/background labels may be inferred and are not verified identity documents.
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: Gustaf Alstromer net worth and Heysan valuation
What is Gustaf Alstromer's net worth?
Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Gustaf Alstromer net worth
Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026. This Gustaf Alstromer net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Gustaf Alstromer worth?
Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026. How much Gustaf Alstromer is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Gustaf Alstromer?
Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026. “How rich is Gustaf Alstromer” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Gustaf Alstromer fortune
Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026. This Gustaf Alstromer fortune figure is estimated paper wealth only, not a verified statement of assets.
Gustaf Alstromer equity value
Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026. Gustaf Alstromer 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 CEO net worth?
Gustaf Alstromer is listed as CEO at Heysan. Gustaf Alstromer's estimated net worth / paper wealth is $7.5M (range $5.2M–$11.2M) as of 2026. This Heysan CEO net worth figure is an independent paper-wealth estimate, not verified net worth.
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 Gustaf Alstromer building?
Gustaf Alstromer is CEO at Heysan, a Y Combinator-backed startup (batch W07).
What does Heysan do?
Heysan — Free messaging on mobile phones
What YC batch is Gustaf Alstromer from?
Gustaf Alstromer is associated with Y Combinator batch W07.
What other companies is Gustaf Alstromer connected to?
Public associations for Gustaf Alstromer include Heysan, Voxer, Airbnb.
Where is Gustaf Alstromer based?
Public directory data lists Gustaf Alstromer's region as United States of America.
What industry is Gustaf Alstromer in?
Gustaf Alstromer is listed under Consumer, Social.
What is Heysan's status?
Heysan is listed as Acquired in public company data.
What is Gustaf Alstromer's background?
Publicly described labels for Gustaf Alstromer: Swedish.
What else is notable about Gustaf Alstromer?
Product Lead on the Growth team at Airbnb for 4.5 years.
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.