Gustaf Alströmer
InvestorFounderGeneral Partner at Y Combinator · Founder/CEO at Heysan
San Francisco, California, United States
FoundedHeysan · YC
About
Led Growth at Airbnb for 4.5 years and co-founded Heysan; previously Head of Growth at Voxer.
Contact· self-published, not guessed
Beyond investing
- Founded
- Alströmer co-founded and served as CEO of Heysan, which was part of YC's W07 batch and was acquired by Good Technology in 2009.
- Communities
- Alströmer helped author Y Combinator's request for startups on climate tech alongside David Rusenko.
- Family
- Alströmer grew up in Sweden before moving to the United States.
Mentioned above: the Y Combinator mafia →
From published sources — common ground for a warm intro.
Founder/CEO at HeysanYC W07
Intro paths
Gustaf went through Y Combinator (Winter 2007) — any YC alum in your network can reach them through the YC community.
In turn, Gustaf can intro founders to Heysan's investors below.
Heysan's investors · 2
Co-founders at Heysan
Experience
- Y CombinatorGeneral Partnercurrent2017 — presentSan Francisco Bay Area
- Y CombinatorVisiting Partner2016 — 2017Mountain View
- PersonalAngel Investorcurrent2012 — presentSan Francisco Bay Area
- Heart AerospaceBoard Membercurrent2021 — presentLos Angeles Metropolitan Area
- AirbnbProduct Lead, Growth2012 — 2017San Francisco Bay Area
- VoxerVP of Growth2010 — 2012San Francisco Bay Area
- HeysanCEO & Co-Founder2007 — 2009
Skills & more
+12 more
Growth StrategiesInternational GrowthMobile DevicesMobile ApplicationsiOS developmentSoftware DevelopmentWeb AnalyticsMobile TechnologyIMUser GrowthMobile GrowthiPhoneFrom Gustaf's professional profile.
Investments
Investor
PachamaPrometheus Fuels
Per curated public sources.
Podcasts & interviews
featuring Gustaf AlströmerThe World's First Commercial Mobile Carbon Capture Device
Hard Tech
How This 25-Year-Old Built A $675M Legal AI Startup (With No Legal Experience)
Y Combinator
The Finance Startup Bringing Agentic AI to Wall Street
Founder Firesides
Fusion Energy Is Tech's Next Big Unlock
YC Decoded
The Right (And Wrong) Way To Spend Money At Your Startup
Office Hours
How To Use AI In Your Startup
Office Hours
5 more appearances
- How to get your first customers2022-12-29
- How to talk to users2022-12-01
- How Pachama uses tech to tackle climate change2020-01-28
- Growth for startups2019-08-15
- On starting and scaling one of the biggest iOS apps2019-04-10
Writing
Colleagues at Y Combinator
Frequently asked questions
- Who is Gustaf Alströmer?
- Led Growth at Airbnb for 4.5 years and co-founded Heysan; previously Head of Growth at Voxer.
- Where does Gustaf Alströmer work?
- Gustaf Alströmer is Founder/CEO of Heysan and General Partner at Y Combinator.
- What companies did Gustaf Alströmer found?
- Gustaf Alströmer founded Heysan.
- What companies has Gustaf Alströmer invested in?
- Investments tracked here include Pachama, Prometheus Fuels.
- Where did Gustaf Alströmer go to school?
- Gustaf Alströmer studied at Hyper Island (New Media Business & Management).
- What has Gustaf Alströmer written?
- Gustaf Alströmer has 1 tracked post on ycombinator.com, including "How to set up, hire, and scale a growth strategy and team".
- What podcasts and interviews feature Gustaf Alströmer?
- Tracked appearances include "The World's First Commercial Mobile Carbon Capture Device", "How This 25-Year-Old Built A $675M Legal AI Startup (With No Legal Experience)", "The Finance Startup Bringing Agentic AI to Wall Street", and 8 more.
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
+ 8,766 more
Airbnb mafia65
Also came through, then founded or led a company.
+ 58 more
Hyper Island mafia6
Also came through, then founded or led a company.
Personal mafia3
Also came through, then founded or led a company.
Heart Aerospace mafia2
Also came through, then founded or led a company.
Same school
Also attended Hyper Island15
+ 9 more
Shared employers
Also worked at Y Combinator346
+ 340 more




























