Heysan was founded by Gustaf Alstromer, Marie Brattberg, Pär Lindhe, Parham Michael Ossareh in 2007.

Who are Heysan's investors?

Heysan's investors include Y Combinator, Western Technology Investment.

Where is Heysan headquartered?

Heysan is headquartered in San Francisco, US.

Heysan

AcquiredYC W07

San Francisco, US · Founded 2007 · 2 known investors

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Heysan offered cross-platform messaging that connected mobile phones with computers over SMS and instant messaging, serving over one million users who exchanged tens of millions of messages monthly through its integrated mobile community platform.

Consumer Social Community MessagingUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W07)

Heysan was founded in 2007 by Gustaf Alstromer, Marie Brattberg, Pär Lindhe, and Parham Michael Ossareh.

Gustaf Alstromer CEO2006–2009Gustaf Alstromer is a General Partner at Y Combinator.

Marie Brattberg Product Manager2007–2009Marie Brattberg was Chief Strategy Officer at Recorded Future, a cybersecurity intelligence company.

Pär Lindhe Product Development / UX lead2006–2009Pär Lindhe co-founded Heysan, a mobile cross-protocol messaging platform, which was later acquired. He subsequently developed Candid, a recruitment communication software serving paying customers with high retention.

Parham Michael Ossareh developer, tech dude2007–2009Parham Michael Ossareh is the founder of Heysan, a cross-platform messaging platform that connected mobile phones with computers over SMS and instant messaging.

Investors · 2

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

Western Technology InvestmentreportedPortola Valley

How we know: funding news · Not right? Tell us

Related companies · 2

OpenlandOpenland is a messaging platform that enables users to create and manage chat-based communities focused on connecting people through shared interests and facilitating discussion.

PraxosPraxos is an AI assistant that automates personal and business tasks through conversational interfaces and integrations with third-party services. It handles diverse workflows including financial forecasting, contract review, CRM management, community moderation, and daily personal tasks like home organization and meal planning.

Companies working in the same space as Heysan.

Legal entities · 1

corporate structure

Heysan Inc

Frequently asked questions

What does Heysan do?: Heysan offered cross-platform messaging that connected mobile phones with computers over SMS and instant messaging, serving over one million users who exchanged tens of millions of messages monthly through its integrated mobile community platform.
Who founded Heysan?: Heysan was founded by Gustaf Alstromer, Marie Brattberg, Pär Lindhe, Parham Michael Ossareh in 2007.
Who are Heysan's investors?: Heysan's investors include Y Combinator, Western Technology Investment.
Where is Heysan headquartered?: Heysan is headquartered in San Francisco, US.