Founder Directory
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Founders12
Known for these resultsRole25%Role is parsed from founder titles in yc.db. Known for 25% 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-company33%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 33% of these rows have at least one match.School42%School is matched from bios, case-sensitive for acronyms. 42% of these rows have at least one match.
- Christopher Chen@ChrisMYChenFounder · TrapezeX25Healthcare · New York
- Bailey Spell@baileygspellFounder/CTO · LedgerUpS24B2B · San Francisco
- Rohan Mayya@rohan_mayyaFounder · ToolifyW24B2B · Bengaluru
- Saifur RahmanFounder · ToolifyW24B2B · Bengaluru
- Antoine Carossio@icarossioFounder · EscapeW23B2B · Paris
- Tristan KalosFounder · EscapeW23B2B · Paris
- Adam Yaari@adamyaariFounder/CEO · Serinus BiosciencesS22Healthcare · New York
- Maxwell Sherman@m_a_shermanFounder/CTO · Serinus BiosciencesS22Healthcare · New York
- Christian Mischler@Chris_MischlerFounder · DeskimoS21B2B · Singapore
- Raphael CohenFounder · DeskimoS21B2B · Singapore
- Tahi Hakim@tahihakim1Founder · PrekiW21B2B · Bogotá
- Laurence Fornari@FornariLaurenceFounder · SkyLightsS16Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Christopher ChenTrapezeFounderSpring 2025HealthcareNew York, United States2https://x.com/ChrisMYChenBailey SpellLedgerUpFounder/CTOSummer 2024B2BSan Francisco, United States5https://x.com/baileygspellRohan MayyaToolifyFounderWinter 2024B2BBengaluru, India2https://x.com/rohan_mayyaSaifur RahmanToolifyFounderWinter 2024B2BBengaluru, India2—Antoine CarossioEscapeFounderWinter 2023B2BParis, France29https://x.com/icarossioTristan KalosEscapeFounderWinter 2023B2BParis, France29—Adam YaariSerinus BiosciencesFounder/CEOSummer 2022HealthcareNew York, United States6https://x.com/adamyaariMaxwell ShermanSerinus BiosciencesFounder/CTOSummer 2022HealthcareNew York, United States6https://x.com/m_a_shermanChristian MischlerDeskimoFounderSummer 2021B2BSingapore, Singapore12https://x.com/Chris_MischlerRaphael CohenDeskimoFounderSummer 2021B2BSingapore, Singapore12—Tahi HakimPrekiFounderWinter 2021B2BBogotá, Colombia15https://x.com/tahihakim1Laurence FornariSkyLightsFounderSummer 2016ConsumerSan Francisco, United States5https://x.com/FornariLaurence
Showing 1–12 of 12 founders
Bailey Spell
Founder/CTO·LedgerUp
PRIMARY INFO
RoleFounder/CTO
Team size5
BatchSummer 2024
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Previously, I worked at Microsoft, where I was one of two selected by the Office CTO to integrate agents into Office while then becoming the first engineering hire at a seed-stage workflow automation startup. There, I helped the company grow from $0 to $120k in ARR. Now, I am helping lead a new era of finance and accounting for businesses starting with bookkeeping.
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
First YC company on record
COMPANY CONTEXT
LedgerUpAI agents that handles complex billing and revenue
