Founder Directory
Built by Keitoto
Founders3
Known for these resultsRole33%Role is parsed from founder titles in yc.db. Known for 33% 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-company67%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 67% of these rows have at least one match.School67%School is matched from bios, case-sensitive for acronyms. 67% of these rows have at least one match.
- Carl Stauffer@carlstauffer_Founder/CEO · RiftenS26B2B · San Francisco
- Edvard ErikssonFounder · riftW23B2B · San Francisco
- Fil Twarowski@FilipTwarowskiFounder · riftW23B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Carl StaufferRiftenFounder/CEOSummer 2026B2BSan Francisco, United States0https://x.com/carlstauffer_Edvard ErikssonriftFounderWinter 2023B2BSan Francisco, United States2—Fil TwarowskiriftFounderWinter 2023B2BSan Francisco, United States2https://x.com/FilipTwarowski
Showing 1–3 of 3 founders
Carl Stauffer
Founder/CEO·Riften
PRIMARY INFO
RoleFounder/CEO
Team size0
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder and CEO of Riften. Former Palantir Forward Deployed Engineer. Former nuclear researcher at Jefferson Lab. CS and AMS at Johns Hopkins.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
RiftenEarned intelligence for every company
