Founder Directory
Built by Keitoto
Founders3
Known for these resultsRole0%Role is parsed from founder titles in yc.db. Known for 0% 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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Christy JohnsonFounder · Float HealthW22Healthcare · Carlsbad
- Ryan JohnsonFounder · Float HealthW22Healthcare · Carlsbad
- Lauren SullivanFounder · FlightfoxS12B2B · Boulder
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Christy JohnsonFloat HealthFounderWinter 2022HealthcareCarlsbad, United States3—Ryan JohnsonFloat HealthFounderWinter 2022HealthcareCarlsbad, United States3—Lauren SullivanFlightfoxFounderSummer 2012B2BBoulder, United States25—
Showing 1–3 of 3 founders
Todd Sullivan
Founder/CEO·Humoniq
PRIMARY INFO
RoleFounder/CEO
Team size5
BatchSummer 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
CEO and co-founder of Humoniq, building voice AI agents for airlines and travel agencies. Previously co-founded and built Flightfox (YC S12) to over $20m in annual sales. Before that, I was a software engineer at DoD (AU) and Raytheon.
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
2× YC founderSerial founder · self-declared
- S12FlightfoxActive
- S25HumoniqActive · this entry
COMPANY CONTEXT
HumoniqAI-Native BPO for travel & transport
Co-foundersWill Weber
Also founded · 1 more YC company
FlightfoxActiveSummer 2012A platform to plan, book and manage global and group travel.
B2BBoulder, United States25Open this entry
