Founder Directory
Built by Keitoto
Founders33
Known for these resultsRole24%Role is parsed from founder titles in yc.db. Known for 24% 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.Bio88%Bio coverage: 88% 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-company21%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 21% of these rows have at least one match.School24%School is matched from bios, case-sensitive for acronyms. 24% of these rows have at least one match.
- Safi Shamsi@safishamsiiFounder/CEO · Graphify LabsS26B2B · London
- Michael MarcotteFounder/CEO · Perceptron MLS26B2B · San Francisco
- Peter VajdaFounder · PerfectBit, Inc.X26B2B · San Francisco
- Seiji YamamotoFounder · PerfectBit, Inc.X26B2B · San Francisco
- Luke Johnston@CajalResearchFounder/CTO · CajalW26B2B · San Francisco
- Pedro NobreFounder/CEO · CajalW26B2B · San Francisco
- Jordina Frances de MasFounder · MillirayW26Industrials · London
- Francois Chollet@fcholletFounder · NdeaW26Industrials
- Mike Knoop@mikeknoopFounder · NdeaW26Industrials
- Ganesh Pimpale@GaneshmpimpaleFounder · MoonshineF24B2B · San Francisco
- Carlos Feliciano@gtlpandaFounder · Terracotta AIS23B2B
- Casey Wilcox@ioscaseyFounder · Terracotta AIS23B2B
- Mason ChilmonczykFounder · Andson BiotechW22Healthcare · Atlanta
- Gabriel BarretoFounder · Argument Computer CorporationW22B2B · Boston
- John BurnhamFounder · Argument Computer CorporationW22B2B · Boston
- Samuel BurnhamFounder · Argument Computer CorporationW22B2B · Boston
- Aman Bhayana@BhayanaAmanFounder · PayCrunchW22Fintech · Bengaluru
- Daniel KangFounder · FlowboS21Fintech · Los Angeles
- Vijay KumarFounder · KrabW21Fintech · Hyderabad
- Yogesh BathinaFounder · KrabW21Fintech · Hyderabad
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Safi ShamsiGraphify LabsFounder/CEOSummer 2026B2BLondon, United Kingdom2https://x.com/safishamsiiMichael MarcottePerceptron MLFounder/CEOSummer 2026B2BSan Francisco, United States2—Peter VajdaPerfectBit, Inc.FounderSpring 2026B2BSan Francisco, United States2—Seiji YamamotoPerfectBit, Inc.FounderSpring 2026B2BSan Francisco, United States2—Luke JohnstonCajalFounder/CTOWinter 2026B2BSan Francisco, United States2https://x.com/CajalResearchPedro NobreCajalFounder/CEOWinter 2026B2BSan Francisco, United States2—Jordina Frances de MasMillirayFounderWinter 2026IndustrialsLondon, United Kingdom3—Francois CholletNdeaFounderWinter 2026IndustrialsUnknown15https://x.com/fcholletMike KnoopNdeaFounderWinter 2026IndustrialsUnknown15https://x.com/mikeknoopGanesh PimpaleMoonshineFounderFall 2024B2BSan Francisco, United States2https://x.com/GaneshmpimpaleCarlos FelicianoTerracotta AIFounderSummer 2023B2BUnknown3https://x.com/gtlpandaCasey WilcoxTerracotta AIFounderSummer 2023B2BUnknown3https://x.com/ioscaseyMason ChilmonczykAndson BiotechFounderWinter 2022HealthcareAtlanta, United States4—Gabriel BarretoArgument Computer CorporationFounderWinter 2022B2BBoston, United States8—John BurnhamArgument Computer CorporationFounderWinter 2022B2BBoston, United States8—Samuel BurnhamArgument Computer CorporationFounderWinter 2022B2BBoston, United States8—Aman BhayanaPayCrunchFounderWinter 2022FintechBengaluru, India5https://x.com/BhayanaAmanDaniel KangFlowboFounderSummer 2021FintechLos Angeles, United States2—Vijay KumarKrabFounderWinter 2021FintechHyderabad, India9—Yogesh BathinaKrabFounderWinter 2021FintechHyderabad, India9—
Showing 1–20 of 33 founders
Safi Shamsi
Founder/CEO·Graphify Labs
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchSummer 2026
LocationLondon, United Kingdom
Company statusActive
StageEarly
BIO
Founder at Graphify Labs (YC S26). Built Graphify, an open-source knowledge graph engine that reached 100K+ GitHub stars and 4M+ PyPI downloads in about four months. Published researcher and author of The Memory Layer. MS Data Science, University of Birmingham; thesis on knowledge-graph-powered RAG systems achieving a 50% improvement in retrieval and 67% reduction in hallucinations.
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
COMPANY CONTEXT
Graphify LabsOn-device knowledge graph engine for enterprises
