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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% 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.
- Aum Upadhyay@aumup001Founder/CEO · SilmarilX26B2B · San Francisco
- Eduardo Velasco@EduardoVel36291Founder/CTO · SilmarilX26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Aum UpadhyaySilmarilFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/aumup001Eduardo VelascoSilmarilFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/EduardoVel36291
Showing 1–2 of 2 founders
Aum Upadhyay
Founder/CEO·Silmaril
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchSpring 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-Founder & CEO at Silmaril. I built the security and privacy framework at AWS that prevented over $1.8B in damages. Now I bring that same defensive mindset to Silmaril, working with customers to ship prompt injection defense.
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
SilmarilSecurity for agents that self-improves
Co-foundersEduardo Velasco@EduardoVel36291
