Gustaf Alstromer net worth

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...

FAQ: Gustaf Alstromer net worth and Heysan valuation

What is Gustaf Alstromer's net worth?

Gustaf Alstromer's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. Gustaf Alstromer is CEO at Heysan. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.

What is Heysan valuation?

Heysan's estimated valuation on Entrepreneurial Check is $100.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.

What is Gustaf Alstromer's role?

Gustaf Alstromer is CEO at Heysan, a Y Combinator-backed startup (batch W07).