Founder Directory
Built by Keitoto
Founders4
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company25%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 25% of these rows have at least one match.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Gustaf Alstromer@gustafFounder/CEO · HeysanW07Consumer · San Francisco
- Marie BrattbergFounder/Product Manager · HeysanW07Consumer · San Francisco
- Parham Michael OssarehFounder/developer, tech dude · HeysanW07Consumer · San Francisco
- Pär LindheFounder/Product Development / UX lead · HeysanW07Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Gustaf AlstromerHeysanFounder/CEOWinter 2007ConsumerSan Francisco, United States0https://x.com/gustafMarie BrattbergHeysanFounder/Product ManagerWinter 2007ConsumerSan Francisco, United States0—Parham Michael OssarehHeysanFounder/developer, tech dudeWinter 2007ConsumerSan Francisco, United States0—Pär LindheHeysanFounder/Product Development / UX leadWinter 2007ConsumerSan Francisco, United States0—
Showing 1–4 of 4 founders
Gustaf Alstromer
Founder/CEO·Heysan
PRIMARY INFO
RoleFounder/CEO
Team size0
BatchWinter 2007
LocationSan Francisco, United States
Company statusAcquired
StageEarly
BIO
General Partner at YC
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
HeysanFree messaging on mobile phones
