Fundraising Fox

Todd Sullivan

Founder

Founder at Humoniq · CEO & Co-Founder at Flightfox

San Francisco, California, United States

FoundedFlightfox · YCHumoniq · YC

About

Todd Sullivan co-founded Flightfox and currently leads Humoniq, a voice AI agent company serving airlines and travel agencies. He previously worked as a software engineer for the U.S. Department of Defense and Raytheon.

Founder at HumoniqYC S25

Intro paths

YC

Todd went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator — the partner who ran Humoniq's batch and knows the company first-hand. YC profile ↗

→

In turn, Todd can intro founders to Humoniq's investors below.

Humoniq's investors · 3

MyAsiaVCSeattleY CombinatorSan Francisco · $500K checks · since 2025Zero Infinity PartnersNew York · $100K – $5M checks

Co-founders at Humoniq

WWWill Weber
Will WeberFounder

CEO & Co-Founder at FlightfoxYC S12

Intro paths

YC

Todd went through Y Combinator (Summer 2012) — any YC alum in your network can reach them through the YC community.

→

In turn, Todd can intro founders to Flightfox's investors below.

Flightfox's investors · 3

500 GlobalSan Francisco · $150K checks · since 2012Andreessen HorowitzMenlo Park · $500K – $50M checksY CombinatorSan Francisco · $500K checks · since 2012

Co-founders at Flightfox

LSLauren Sullivan
Lauren SullivanFounder

Experience

  1. HumoniqCEO & Co-Foundercurrent2025 — presentSan Francisco, California, United States
  2. FlightfoxCEO & Co-Founder2011 — 2025Boulder, Colorado, United States
  3. GlobetrooperCEO & Co-Founder2010 — 2011Sydney, Australia
  4. Anacacia CapitalInvestment Manager2008 — 2010Sydney, Australia
  5. Defence AustraliaLead Software Engineer2005 — 2008
  6. RaytheonSoftware Engineer2003 — 2005

Skills & more

Entrepreneurship30Adventure Travel17Flights10Programming6Defence7Web Applications19Start-ups9Mobile Applications23Management15

From Todd's professional profile.

Frequently asked questions

Who is Todd Sullivan?
Todd Sullivan co-founded Flightfox and currently leads Humoniq, a voice AI agent company serving airlines and travel agencies. He previously worked as a software engineer for the U.S. Department of Defense and Raytheon.
Where does Todd Sullivan work?
Todd Sullivan is CEO & Co-Founder of Flightfox and Founder at Humoniq.
What companies did Todd Sullivan found?
Todd Sullivan founded Flightfox, Humoniq.
Where did Todd Sullivan go to school?
Todd Sullivan studied at The Australian National University (Master's degree, Finance & Investment); Charles Sturt University (Master's degree, Software & Business); Charles Sturt University (Bachelor's degree, Software).

Founder mafias

Y Combinator mafia8,773

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

+ 8,766 more

Raytheon mafia15

Also came through, then founded or led a company.

Eric MigicovskyProject Engineer, Coop employeeFounded Beeper +1Dan KultranMixed Signal IC Design EngineerFounded ClarosVishal SunakSoftware Engineering, Co-opFounded LinkSquaresJeffrey SchveyEngineering Leadership Development ProgramFounded AxoniOrion ParrottSenior Systems Engineer IIFounded LendsnapAhmed ElsamadisiSystems EngineerFounded Narrator

+ 8 more

The Australian National University mafia12

Also came through, then founded or led a company.

Lauren SullivanMaster of BusinessFounded Float Health +1Pete LilleyBachelor of Science (B.Sc.)Founded InstaclustrCharles O'NeillBachelor of Economics / Bachelor of Science (Mathematical ModellingFounded ParsedMax KirkbyBachelor of Philosophy (Science) (Hons I)Founded ParsedAdam CarriganMastersFounded MindsDBJorge TorresMasters Information SystemsFounded MindsDB

+ 5 more

Charles Sturt University mafia3

Also came through, then founded or led a company.

Doug StuartMaster of Business Administration (MBA)Founded InstaclustrPatrick QuadeBachelor’s DegreeFounded Dinesafe

Flightfox mafia3

Also came through, then founded or led a company.

Lauren SullivanFounderFounded Float HealthWill WeberCRO/ProductFounded Humoniq

Same school

Also attended The Australian National University63

Jeremy LiewPartner at Lightspeed Venture PartnersJessica ReedDirector at Marlin Equity PartnersRobert WilliamsPartner (Agrifood) at ArtesianKevin ChongCo-Founder and General Partner at Outward VCAaron PermanGeneral Partner at S3 VenturesLlew JuryChairman at Sprint Ventures

+ 57 more

Also attended Charles Sturt University11

Doug StuartGTM at Tidal VenturesTash KeunemanProduct at Tidal VenturesNuno TeodoroExpert Advisory Board — Global Cybersecurity Director at Hovione at 33NJoel ConnollyCreative Director & Head of Blackbird Foundation at Blackbird FoundryGavin Fox-SmithChair, Board Director at ANDHealth ACTIVATENina JuhlSenior Manager (Curiosity Programs & MCIC) at UNSW Founders 10x

+ 5 more

Shared employers

Also worked at Humoniq2

Aabhas KhannaGeneral Partner at MyAsiaVCWill WeberFounder at Humoniq

Also worked at Flightfox2

Lauren SullivanFounder at FlightfoxWill WeberFounder at Humoniq

Also worked at Globetrooper1

Lauren SullivanFounder at Flightfox

Also worked at Defence Australia2

Doug StuartGTM at Tidal VenturesJeffrey BourneInvestment Manager - Technology at UniSeed Pty Ltd.