Founder Directory
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Founders91
Known for these resultsRole55%Role is parsed from founder titles in yc.db. Known for 55% 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-company32%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 32% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- David Khachaturov@davidobot_Founder/CTO · Egoist MachinesS26Consumer · San Francisco
- Erin McGurk@erinmerylstudyFounder/CEO · Egoist MachinesS26Consumer · San Francisco
- Niki Kotecha@KotechaNikiFounder/CTO · Lamb LabsS26B2B · London
- Emil Ares@emilaresFounder/CEO · MarengoS26Industrials · San Francisco
- Eric Nilsson@eric_nilsson_Founder/CTO · MeteoricS26Industrials · San Francisco
- Mete Karslioglu@MeteKarsli0gluFounder/CEO · MeteoricS26Industrials · San Francisco
- Cem TokerFounder/COO · NeuromorphicS26Industrials · San Francisco
- Lewis BlackwoodFounder/CTO · RexS26B2B · San Francisco
- Merlin Kafka@merlinkafkaFounder/CEO · RexS26B2B · San Francisco
- Emre Isik@Emrre_isikFounder/CEO · SpaceFlow Technologies, Inc.S26B2B · San Francisco
- Marcus Lima@MarcusLimaGNFounder/CEO · TorusS26Industrials · San Francisco
- Alex Tung@alexytungFounder/CEO · WhitespaceS26B2B · San Francisco
- Johann Stürken@JStuerkenFounder · AndustryX26Industrials · Munich
- Bao NguyenFounder/CEO · HessianX26B2B · San Francisco
- James SmithFounder/COO · HessianX26B2B · San Francisco
- Theo KitsbergFounder/CEO · PrismX26B2B · London
- Sergey Bunas@sergeybunasFounder/CTO · 21stW26B2B · San Francisco
- Luke Johnston@CajalResearchFounder/CTO · CajalW26B2B · San Francisco
- Joseph Schwarzmann@JoeSchwarzmannFounder/COO · RobbyW26B2B · New York
- Samuel Oberly@samob917Founder/CEO · Scheduling WizardW26Healthcare · Washington
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
David KhachaturovEgoist MachinesFounder/CTOSummer 2026ConsumerSan Francisco, United States2https://x.com/davidobot_Erin McGurkEgoist MachinesFounder/CEOSummer 2026ConsumerSan Francisco, United States2https://x.com/erinmerylstudyNiki KotechaLamb LabsFounder/CTOSummer 2026B2BLondon, United Kingdom0https://x.com/KotechaNikiEmil AresMarengoFounder/CEOSummer 2026IndustrialsSan Francisco, United States5https://x.com/emilaresEric NilssonMeteoricFounder/CTOSummer 2026IndustrialsSan Francisco, United States2https://x.com/eric_nilsson_Mete KarsliogluMeteoricFounder/CEOSummer 2026IndustrialsSan Francisco, United States2https://x.com/MeteKarsli0gluCem TokerNeuromorphicFounder/COOSummer 2026IndustrialsSan Francisco, United States3—Lewis BlackwoodRexFounder/CTOSummer 2026B2BSan Francisco, United States2—Merlin KafkaRexFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/merlinkafkaEmre IsikSpaceFlow Technologies, Inc.Founder/CEOSummer 2026B2BSan Francisco, United States4https://x.com/Emrre_isikMarcus LimaTorus2× YCFounder/CEOSummer 2026IndustrialsSan Francisco, United States6https://x.com/MarcusLimaGNAlex TungWhitespaceFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/alexytungJohann StürkenAndustryFounderSpring 2026IndustrialsMunich, Germany2https://x.com/JStuerkenBao NguyenHessianFounder/CEOSpring 2026B2BSan Francisco, United States3—James SmithHessianFounder/COOSpring 2026B2BSan Francisco, United States3—Theo KitsbergPrismFounder/CEOSpring 2026B2BLondon, United Kingdom4—Sergey Bunas21stFounder/CTOWinter 2026B2BSan Francisco, United States3https://x.com/sergeybunasLuke JohnstonCajalFounder/CTOWinter 2026B2BSan Francisco, United States2https://x.com/CajalResearchJoseph SchwarzmannRobbyFounder/COOWinter 2026B2BNew York, United States3https://x.com/JoeSchwarzmannSamuel OberlyScheduling WizardFounder/CEOWinter 2026HealthcareWashington, United States3https://x.com/samob917
Showing 1–20 of 91 founders
Joseph Schwarzmann
Founder/COO·Robby
PRIMARY INFO
RoleFounder/COO
Team size3
BatchWinter 2026
LocationNew York, United States
Company statusActive
StageEarly
BIO
Founder at Robby. Previously Consultant in PE software and home services transformation/strategy @ Bain & Company. Studied History at the University of Cambridge. Dropped out of MBA at Harvard Business School to work on Robby.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsMBADropout / Thiel
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Robby
AI agents that grow revenue for home services businesses
