Founder Directory
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Founders27
Known for these resultsRole52%Role is parsed from founder titles in yc.db. Known for 52% 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-company26%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 26% of these rows have at least one match.School22%School is matched from bios, case-sensitive for acronyms. 22% of these rows have at least one match.
- Alexandre Combes@alexcmbs17Founder/CTO · FoasterX26B2B · San Francisco
- Mauricio Ortiz@ortizmauricio_Founder/CTO · Kimpton AIX26Fintech · San Francisco
- Joseph McAllisterFounder/CTO · MouseCatW26B2B · New York
- Daniel Pearson@danielpearsonFounder/CEO · WideframeW26B2B · San Francisco
- Zachary Kim@heyzkFounder/CTO · WideframeW26B2B · San Francisco
- Sam Brickman@Sambrickman_Founder/CEO · AmbralS25B2B · New York
- Adrian Barbir@AdrianBarbirFounder/CEO · DoeS25B2B · San Francisco
- Richard Ou@yuhuangouFounder/CTO · DoeS25B2B · San Francisco
- Todd Sullivan@todsulFounder/CEO · HumoniqS25B2B · San Francisco
- Will WeberFounder/CRO · HumoniqS25B2B · San Francisco
- Audrey Djiya@AudreyDjiyaFounder/CEO · HandledS24B2B · New York
- Sean Roades@SeanRoadesFounder/CTO · PinnacleS24B2B · San Francisco
- Catheryn Li@catheryn_liFounder/CEO · Simple AIS24B2B · San Francisco
- Zach Kamran@zach_kamranFounder · Simple AIS24B2B · San Francisco
- Tobias Kemkes@tobiaskemkesFounder · LangdockS23B2B · Berlin
- Jonathan Tiret@jtiretFounder · UpstreamS23B2B · Paris
- Louis Lecat@louislecatFounder · UpstreamS23B2B · Paris
- Deema AdadaFounder · BiggerPictureS22B2B · San Francisco
- Emmanuel Rex Rodriguez@rex_rodrFounder · Express BuildingS22Real Estate and Construction · Singapore
- Faisal Ilaiwi@faisalilaiwiFounder · IntunedS22B2B · Seattle
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alexandre CombesFoasterFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/alexcmbs17Mauricio OrtizKimpton AIFounder/CTOSpring 2026FintechSan Francisco, United States5https://x.com/ortizmauricio_Joseph McAllisterMouseCatFounder/CTOWinter 2026B2BNew York, United States6—Daniel PearsonWideframeFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/danielpearsonZachary KimWideframeFounder/CTOWinter 2026B2BSan Francisco, United States2https://x.com/heyzkSam BrickmanAmbralFounder/CEOSummer 2025B2BNew York, United States4https://x.com/Sambrickman_Adrian BarbirDoeFounder/CEOSummer 2025B2BSan Francisco, United States4https://x.com/AdrianBarbirRichard OuDoeFounder/CTOSummer 2025B2BSan Francisco, United States4https://x.com/yuhuangouTodd SullivanHumoniq2× YCFounder/CEOSummer 2025B2BSan Francisco, United States5https://x.com/todsulWill WeberHumoniqFounder/CROSummer 2025B2BSan Francisco, United States5—Audrey DjiyaHandledFounder/CEOSummer 2024B2BNew York, United States2https://x.com/AudreyDjiyaSean RoadesPinnacleFounder/CTOSummer 2024B2BSan Francisco, United States2https://x.com/SeanRoadesCatheryn LiSimple AIFounder/CEOSummer 2024B2BSan Francisco, United States11https://x.com/catheryn_liZach KamranSimple AIFounderSummer 2024B2BSan Francisco, United States11https://x.com/zach_kamranTobias KemkesLangdockFounderSummer 2023B2BBerlin, Germany55https://x.com/tobiaskemkesJonathan TiretUpstreamFounderSummer 2023B2BParis, France7https://x.com/jtiretLouis LecatUpstreamFounderSummer 2023B2BParis, France7https://x.com/louislecatDeema AdadaBiggerPictureFounderSummer 2022B2BSan Francisco, United States9—Emmanuel Rex RodriguezExpress BuildingFounderSummer 2022Real Estate and ConstructionSingapore, Singapore14https://x.com/rex_rodrFaisal IlaiwiIntunedFounderSummer 2022B2BSeattle, United States15https://x.com/faisalilaiwi
Showing 1–20 of 27 founders
Joseph McAllister
Founder/CTO·MouseCat
PRIMARY INFO
RoleFounder/CTO
Team size6
BatchWinter 2026
LocationNew York, United States
Company statusActive
StageEarly
BIO
Joseph McAllister is the Co-Founder and CTO of MouseCat. Before MouseCat, Joseph spent 4 years building systems that power every risk decision at Coinbase. He focused on streaming pipelines, large-scale data processing workloads, and improving ACH and ATO risk models. While studying Computer Science at Cornell University, he founded Roo Storage, which was acquired in 2020 by Handled (now UniGroup).
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
Exit mentioned in bio
COMPANY CONTEXT
MouseCatAI to fight financial crime
Co-foundersNicholas Aldridge@nickaldridge_
