Founder Directory
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Founders3
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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School67%School is matched from bios, case-sensitive for acronyms. 67% of these rows have at least one match.
- Adair Borges@AdairLBorgesFounder · Ditto BiosciencesW26Healthcare · San Francisco
- Dennis Sun@mezarqueFounder/CEO · Ditto BiosciencesW26Healthcare · San Francisco
- Emily Weiss@emilycpierceFounder · Ditto BiosciencesW26Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Adair BorgesDitto BiosciencesFounderWinter 2026HealthcareSan Francisco, United States3https://x.com/AdairLBorgesDennis SunDitto BiosciencesFounder/CEOWinter 2026HealthcareSan Francisco, United States3https://x.com/mezarqueEmily WeissDitto BiosciencesFounderWinter 2026HealthcareSan Francisco, United States3https://x.com/emilycpierceShowing 1–3 of 3 founders
Emily Weiss
Founder·Ditto Biosciences
PRIMARY INFO
RoleFounder· not in title
Team size3
BatchWinter 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
I'm a molecular and computational biologist working to revolutionize drug discovery for autoimmune disease. At Ditto, I lead the platform for engineering parasite-derived therapeutics. I hold a PhD in microbiology, genomics, and plant genetics, with a focus on sequencing, high-throughput screening, and computational pipeline development. Published in Nature Microbiology and eLife. Previously at Illumina, DuPont, and an early-stage biotech venture team.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Evolutionary intelligence for autoimmune disease
IndustryHealthcare
Websitedittobio.com/
Team size3
LocationSan Francisco, United States
BatchWinter 2026