Founder Directory
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Founders5
Known for these resultsRole80%Role is parsed from founder titles in yc.db. Known for 80% 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-company40%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 40% of these rows have at least one match.School20%School is matched from bios, case-sensitive for acronyms. 20% of these rows have at least one match.
- Anton ZaliznyiCo-founder & Chief AI Officer · PhasesS25Healthcare · San Francisco
- James WallFounder/CEO · PhasesS25Healthcare · San Francisco
- Jonathan van WerschFounder/CTO · PhasesS25Healthcare · San Francisco
- Xin Ding@xinding33Founder/CEO · AttuneX25B2B · San Francisco
- Karen Levy@KareninKenyaFounder · No Lean SeasonW17Unspecified
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Anton ZaliznyiPhasesCo-founder & Chief AI OfficerSummer 2025HealthcareSan Francisco, United States3—James WallPhasesFounder/CEOSummer 2025HealthcareSan Francisco, United States3—Jonathan van WerschPhasesFounder/CTOSummer 2025HealthcareSan Francisco, United States3—Xin DingAttuneFounder/CEOSpring 2025B2BSan Francisco, United States3https://x.com/xinding33Karen LevyNo Lean SeasonFounderWinter 2017UnspecifiedUnknown—https://x.com/KareninKenya
Showing 1–5 of 5 founders
Karen Levy
Founder·No Lean Season
PRIMARY INFO
RoleFounder· not in title
Team size—
BatchWinter 2017
Location
Company statusInactive
StageEarly
BIO
Serial social entrepreneur with proven success at using rigorous evidence to design and scale development programs that cost-effectively benefit millions of people living in poverty. Hands-on, insightful, results-oriented social scientist and development professional with over 20 years of experience living in Kenya and working in Africa and Asia. Experienced in all phases of evidence-based policy/programs: research, design, management, implementation, assessment, scaling. Fluent in Swahili.
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.
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
