Founder Directory
Built by Keitoto
Founders6
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-company33%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 33% of these rows have at least one match.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Jack Collins@jackmpcollinsFounder/CTO · VenturaW26Industrials · San Francisco
- Swen Koller@swekolFounder/CEO · VenturaW26Industrials · San Francisco
- Dylan Walker@SS6_ELLFounder · LumonaW24Consumer · Boston
- Maciej Szcześnik@MaciejSzczesnikFounder · Vinci GamesS22Consumer · San Francisco
- Nathaniel VenturaFounder · Vinci GamesS22Consumer · San Francisco
- Nahuel LemaFounder · CoderhouseW21Education · Buenos Aires
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jack CollinsVenturaFounder/CTOWinter 2026IndustrialsSan Francisco, United States2https://x.com/jackmpcollinsSwen KollerVenturaFounder/CEOWinter 2026IndustrialsSan Francisco, United States2https://x.com/swekolDylan WalkerLumonaFounderWinter 2024ConsumerBoston, United States1https://x.com/SS6_ELLMaciej SzcześnikVinci GamesFounderSummer 2022ConsumerSan Francisco, United States7https://x.com/MaciejSzczesnikNathaniel VenturaVinci GamesFounderSummer 2022ConsumerSan Francisco, United States7—Nahuel LemaCoderhouseFounderWinter 2021EducationBuenos Aires, Argentina225—
Showing 1–6 of 6 founders
Philena Liu
Founder·Lumona
PRIMARY INFO
RoleFounder· not in title
Team size1
BatchWinter 2024
LocationBoston, United States
Company statusInactive
StageEarly
BIO
Philena is the Co-founder and CFO of Lumona. She studied CS with a minor in Math at MIT, where she was one of the lecturers in a student-run web-development class (web.lab) and the Tournament Co-Director of one of the most prestigious math tournaments in the world (HMMT). She had also worked on NLP and ML research projects before exploring LLM-assisted search with Lumona.
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
LumonaAI-enabled search engine featuring insights from social media.
