Founder Directory
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Founders9
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-company11%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 11% of these rows have at least one match.School11%School is matched from bios, case-sensitive for acronyms. 11% of these rows have at least one match.
- Andrew Lee@startupandrewFounder/CEO · TaskletX26B2B · San Francisco
- James Zammit@zammitjamesFounder/CEO · RoarkW25B2B · San Francisco
- Joe Averbukh@JoeAverbukhFounder · InstantS22B2B · San Francisco
- Alex SergeevFounder · ngrow.aiW22B2B · San Francisco
- Marat ZhanabekovFounder · ngrow.aiW22B2B · San Francisco
- Benjamin Balazs@benjaminbalazsFounder · MentorcamS21Education · Los Angeles
- Advait Ruia@Advait_RuiaFounder · SuperTokensS20B2B · San Francisco
- Andrew Lee@startupandrewFounder · FirebaseS11B2B · San Francisco
- James Tamplin@jamestamplinFounder/CEO · FirebaseS11B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Andrew LeeTasklet2× YCFounder/CEOSpring 2026B2BSan Francisco, United States8https://x.com/startupandrewJames ZammitRoarkFounder/CEOWinter 2025B2BSan Francisco, United States3https://x.com/zammitjamesJoe AverbukhInstantFounderSummer 2022B2BSan Francisco, United States4https://x.com/JoeAverbukhAlex Sergeevngrow.aiFounderWinter 2022B2BSan Francisco, United States11—Marat Zhanabekovngrow.aiFounderWinter 2022B2BSan Francisco, United States11—Benjamin BalazsMentorcamFounderSummer 2021EducationLos Angeles, United States9https://x.com/benjaminbalazsAdvait RuiaSuperTokensFounderSummer 2020B2BSan Francisco, United States10https://x.com/Advait_RuiaAndrew LeeFirebase2× YCFounderSummer 2011B2BSan Francisco, United States500https://x.com/startupandrewJames TamplinFirebaseFounder/CEOSummer 2011B2BSan Francisco, United States500https://x.com/jamestamplin
Showing 1–9 of 9 founders
James Zammit
Founder/CEO·Roark
PRIMARY INFO
RoleFounder/CEO
Team size3
BatchWinter 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
James Zammit (CEO) is an infrastructure and AI engineer with 10+ years of experience. Previously a Senior Engineer at AngelList, he built core portfolio infrastructure as the company grew from $10B to $124B in assets under management, and led the development of Relay, an AI-powered portfolio manager processing thousands of financial documents each month. He also co-founded a startup showcased at Google I/O 2016 in partnership with Firebase, and received scholarships from Meta and Apple.
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
COMPANY CONTEXT
RoarkTest, monitor, and improve your voice agents
Co-foundersDaniel Gauci
