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.Bio44%Bio coverage: 44% 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.School11%School is matched from bios, case-sensitive for acronyms. 11% of these rows have at least one match.
- Alex JiaoFounder/CEO · ScoutW22Healthcare · San Francisco
- Cameron BallFounder · ScoutW22Healthcare · San Francisco
- Aaron MorrisFounder · PostEraW20Healthcare · Boston
- Alpha LeeFounder · PostEraW20Healthcare · Boston
- Matthew RobinsonFounder · PostEraW20Healthcare · Boston
- Stephanie CullerFounder/CEO · Persephone BiosciencesW18Healthcare · San Diego
- Stephen Van DienFounder/CTO · Persephone BiosciencesW18Healthcare · San Diego
- Timothy CornellFounder · PreDxion BioS17Healthcare · San Francisco
- Walker McHugh@walker_mchughFounder · PreDxion BioS17Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alex JiaoScoutFounder/CEOWinter 2022HealthcareSan Francisco, United States12—Cameron BallScoutFounderWinter 2022HealthcareSan Francisco, United States12—Aaron MorrisPostEraFounderWinter 2020HealthcareBoston, United States40—Alpha LeePostEraFounderWinter 2020HealthcareBoston, United States40—Matthew RobinsonPostEraFounderWinter 2020HealthcareBoston, United States40—Stephanie CullerPersephone BiosciencesFounder/CEOWinter 2018HealthcareSan Diego, United States6—Stephen Van DienPersephone BiosciencesFounder/CTOWinter 2018HealthcareSan Diego, United States6—Timothy CornellPreDxion BioFounderSummer 2017HealthcareSan Francisco, United States6—Walker McHughPreDxion BioFounderSummer 2017HealthcareSan Francisco, United States6https://x.com/walker_mchugh
Showing 1–9 of 9 founders
Stephen Van Dien
Founder/CTO·Persephone Biosciences
PRIMARY INFO
RoleFounder/CTO
Team size6
BatchWinter 2018
LocationSan Diego, United States
Company statusActive
StageEarly
BIO
No bio on the YC profile. Background, credentials and discipline below are Unknown — nothing is inferred when the bio is missing.
BACKGROUND
Unknown — no bio.
Credentialsunknown
DisciplineunknownKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Persephone BiosciencesWe are using the gut microbiome to end cancer.
IndustryHealthcare
Websitepersephonebiosciences.com/
Team size6
X—
LocationSan Diego, United States
BatchWinter 2018
Co-foundersStephanie Culler
