Gustaf Alstrmer is a venture capitalist and general partner at Y Combinator who co-founded Heysan, a startup later acquired by Good Technology in May 2009. Gustaf Alstrmer's Twitter Score is 107 out of 1000 (an Excellent rating) as of August 2026, ranking #6,553 (top 5%) among 483,944 tracked accounts.
Gustaf Alstrmer joined Y Combinator as a General Partner after building a career in product and growth roles at consumer technology companies. He previously led product at Airbnb and formerly served as Head of Growth at Voxer. According to Y Combinator, he has reviewed more than 9,000 applications and the YC companies he has worked with carry a combined valuation of $118 billion.
Gustaf Alstrmer has accumulated 36,097 followers as of August 2026 and has published 12,272 posts. He has been mentioned by 84 accounts a total of 210 times.
Who follows Gustaf Alstrmer on X?
The accounts that follow Gustaf Alstrmer include 501 founders, 188 angel investors, 36 influencers and 16 VCs. Among them are Chris Dixon, Marc Andreessen, Sam Altman, Kyle Samani, Anthony Pompliano and Chamath Palihapitiya.