Photo of Gustaf Alströmer

Gustaf Alströmer

General Partner at Y Combinator

Gustaf Alströmer is a General Partner at Y Combinator, where he has worked with startups since 2016. Before YC, he started Airbnb's product growth team in 2012 and ran growth at Voxer, a voice messaging app. He co-founded Heysan, a free mobile messaging service from YC's Winter 2007 batch, which Good Technology bought in 2009.

Now
General Partner, Y Combinator1
Based
San Francisco Bay Area2
Founded
Heysan (YC Winter 2007)3
Studied
Hyper Island2

Experience

Y Combinator2016 – now
  1. General Partner2017 – now

    Works with YC companies including Legora, Hightouch, Faire, Veriff, Pave, RevenueCat and Photoroom, as his LinkedIn profile lists them.2

  2. Visiting Partner2016 – 2017

    Worked with a YC batch in Mountain View from November 2016 to June 2017.2

Heart Aerospace2021 – now
  1. Independent Board Member2021 – now

    Board seat at the battery-electric aircraft maker since July 2021.2

Angel investing2012 – now
  1. Angel Investor2012 – now

    Investments he lists include Notion, Linear, Lovable, Mapbox, Veriff, Tictail (now Shop) and Heart Aerospace.2

Airbnb2012 – 2017
  1. Product Lead, Growth2012 – 2017

    Started Airbnb's product growth team in 2012. By his account it grew to more than 120 people over five years and came to cover SEO, referrals, onboarding, retention, internationalization and email engagement.2

Voxer2010 – 2012
  1. VP of Growth2010 – 2012

    Led growth at the push-to-talk voice messaging app, which launched in spring 2011.2

Heysan2007 – 2009
  1. CEO and Co-founder2007 – 2009

    Free messaging between phones and computers, later with a mobile community. Went through YC's Winter 2007 batch, raised a seed round from Khosla Ventures and Atomico, and was acquired by Good Technology in May 2009.3

Education

Hyper Island

New Media Business & Management2

Milestones

  1. Heysan joins Y Combinator's Winter 2007 batch, with Alströmer as founder and CEO3
  2. Heysan raises a seed round from Khosla Ventures and Atomico3
  3. Good Technology acquires Heysan3
  4. Joins Voxer as VP of Growth2
  5. Joins Airbnb and starts its product growth team2
  6. Joins Y Combinator as a Visiting Partner2
  7. Y Combinator introduces him as its newest partner4
  8. Holds YC online office hours for startups and nonprofits working on climate issues6
  9. Joins the board of Heart Aerospace as an independent member2
  10. Talks about working with 600+ YC startups on Lenny's Podcast5

Writing

Skills

  • Product Management
  • Growth Strategies
  • User Growth
  • Mobile Growth
  • International Growth
  • Viral Marketing
  • Product Strategy
  • Monetization
  • Web Analytics
  • Mobile Applications
  • User Experience
  • Entrepreneurship
  • Venture Capital

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