Founder Directory
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Founders7
Known for these resultsRole29%Role is parsed from founder titles in yc.db. Known for 29% 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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School71%School is matched from bios, case-sensitive for acronyms. 71% of these rows have at least one match.
- Aryaman Khanna@aryamank24Founder/CEO · ArdenX26B2B · San Francisco
- Tony Chang@tonychang430Founder · InsForgeX26B2B · San Francisco
- Ashish Selvaraj@asheeeeeshhFounder · ApproximaW26B2B · Toronto
- Sean O'Bannon@seanobannon_Founder/CTO · Cranston AIF25B2B · San Francisco
- Yash Jain@yashjainz1Founder · RovrF25B2B · San Francisco
- Rithvik Chuppala@vikchuppalaFounder · CLODOS25B2B · San Francisco
- Ted TomlinsonFounder · StackLeadW14B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Aryaman KhannaArdenFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/aryamank24Tony ChangInsForgeFounderSpring 2026B2BSan Francisco, United States6https://x.com/tonychang430Ashish SelvarajApproximaFounderWinter 2026B2BToronto, Canada2https://x.com/asheeeeeshhSean O'BannonCranston AIFounder/CTOFall 2025B2BSan Francisco, United States2https://x.com/seanobannon_Yash JainRovrFounderFall 2025B2BSan Francisco, United States3https://x.com/yashjainz1Rithvik ChuppalaCLODOFounderSummer 2025B2BSan Francisco, United States2https://x.com/vikchuppalaTed TomlinsonStackLeadFounderWinter 2014B2BSan Francisco, United States2—
Showing 1–7 of 7 founders
Ethan Pronev
Founder·Approxima
PRIMARY INFO
RoleFounder· not in title
Team size2
BatchWinter 2026
LocationToronto, Canada
Company statusActive
StageEarly
BIO
Co-founder at Approxima, building the trust layer to help software development scale with AI. Previously worked on trading systems at Jane Street and Citadel Securities. Computer Science graduate from the University of Waterloo, class of 2025.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
