Founder Directory
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Founders2
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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% 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.
- Tom AchacheFounder/CTO · UnissonW26B2B · San Francisco
- Varun Mathur@vmathur6Founder/CEO · UnissonW26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Tom AchacheUnissonFounder/CTOWinter 2026B2BSan Francisco, United States2—Varun MathurUnissonFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/vmathur6
Showing 1–2 of 2 founders
Varun Mathur
Founder/CEO·Unisson
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchWinter 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-founder and CEO of Unisson. Built a VLM that outperformed Gemini 2.5 Pro on video understanding and sold into Fortune 5. Previously led product & engineering for agent products, growth and VLM research at Ambient.ai (YC W17).
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
