Fundraising Fox

Bill Bartee

Investor

Managing Partner at Main Sequence Ventures · Managing Partner at Blackbird Ventures

Greater Sydney Area

About

Bill Bartee is a private investor, avoids media, operates behind the scenes, and as co‑founder of Southern Cross Venture Partners and founding partner at Blackbird helped build Australia's venture ecosystem.

Contact· published on Bill's own website

Invests in

AgTechAI & Machine LearningBiotechClimate TechDeep TechFoodTechHardwareHealthtechQuantum ComputingSpace Tech

Experience

  1. Main Sequence VenturesManaging Partnercurrent2017 — present
  2. Universal QuantumSeed Investorcurrent2025 — present
  3. DiraqSeries A investor and observercurrent2024 — present
  4. Q-CTRLLead Seed, Series A, Series B investor and Directorcurrent2017 — presentSydney, New South Wales, Australia
  5. Gilmour Space TechnologiesBoard Observercurrent2018 — present
  6. Trellis DataSeries A investor and Directorcurrent2020 — present
  7. Morse MicroSeries A investor and Directorcurrent2017 — present
  8. Quantum BrillianceSeed investor and Directorcurrent2021 — present
  9. QuintessenceLabsSeries B investor and Directorcurrent2020 — present
  10. SunDrive SolarSeries Acurrent2022 — present
  11. Process StreetSeed Investorcurrent2015 — presentSan Francisco Bay Area
  12. StartmateMentorcurrent2011 — present
  13. BarajaSeries A investor and observer2017 — 2025
  14. CyliteSeries B investor and Director2019 — 2025
  15. AcceloMember, Board of Directors and Series A investor2014 — 2023
  16. CSIROCo-facilitator and designer of internal Acceleration program -- consultant2015 — 2020Sydney, Australia
  17. StartupAUSCo-founder and Member, Board of Directors2013 — 2019Sydney
  18. Culture AmpSeries A investor2015 — 2018
  19. Blackbird VenturesCo-founder and Managing Partner2011 — 2017
  20. University of SydneyExternal Lecturer - Principal Instructor2010 — 2017
  21. KarbonSeed Investor2015 — 2016
  22. AutopilotMember/Observer, Board of Directors and Investor2011 — 2016
  23. bigtincanMember, Board of Directors and Series A Investor2013 — 2015
  24. Shoes of PreySeries A Investor, Member/Observer, Board of Directors2012 — 2015
  25. AltiumMember, Board of Directors and Lead Venture Investor2000 — 2012
  26. Southern Cross Venture PartnersPartner2006 — 2010
  27. LiaiseMember, Board of Directors2008 — 2009
  28. MantaraStart-Up CEO and Member, Board of Directors2004 — 2005
  29. Dilithium NetworksFounding Investor and Director2002 — 2003
  30. SEEKSeries A Investor and Member, Board of Directors1999 — 2001
  31. Macquarie Technology VenturesInvestment Director1997 — 2001
  32. LookSmartSeries A Investor1998 — 2000San Francisco and Sydney

Skills & more

Mobile Technology9Competitive Analysis34Venture Capital69Entrepreneurship92Business Transformation18Financial Services18Business28Start-ups99

From Bill's professional profile.

Deals · 3

BarajaLed round

via Main Sequence Ventures

Q-CTRLLed round

via Main Sequence Ventures

ProspectionLed round

via Main Sequence Ventures

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Led

AltiumAutopilotCulture AmpLooksmartPending.AISEEK

Board seats

AcceloKapicheMorse MicroQuintessence LabsShoes of Prey

Per the firm's website.

Colleagues at Main Sequence Ventures

Alejandra Romero
Associate at Main Sequence Ventures
Alezeia Brown
Investment Manager at Main Sequence Ventures
Alison Deans
Investment Committee at Main Sequence Ventures
Alison Deans
Advisory Board at Jekara Group
Ben Hansky
Senior Legal Counsel at Main Sequence Ventures
Danielle Haj Moussa
Analyst at Main Sequence Ventures
Danielle Haj-Moussa
Associate at Main Sequence Ventures
Elaine Stead
Principal at Main Sequence Ventures

Network10

Carine MagescasScout
Managing Partner at AngelPad
Chris SangScout
Managing Partner at CP Ventures
Gokul RajaramScout
DoorDash, Coinbase, Square at Good AI Capital
Neil SenturiaScout
Managing Partner at Blackbird Ventures
Rich WongScout
Partner at Accel
Scott NolanScout
Partner at Founders Fund
Clare Birch
Senior Associate at Blackbird Ventures
Kate Glazebrook
Operating Principal at Blackbird Giants
Mason Yates
Principal at Blackbird Ventures
Samantha Wong
Partner at Blackbird Ventures

Investors connected to Bill in public investor directories — a warm-intro map.

Frequently asked questions

Who is Bill Bartee?
Bill Bartee is a private investor, avoids media, operates behind the scenes, and as co‑founder of Southern Cross Venture Partners and founding partner at Blackbird helped build Australia's venture ecosystem.
Where does Bill Bartee work?
Bill Bartee is Managing Partner at Main Sequence Ventures.
What does Bill Bartee invest in?
Bill Bartee invests in AgTech, AI & Machine Learning, Biotech, Climate Tech, Deep Tech, FoodTech, Hardware, Healthtech, Quantum Computing, Space Tech.
What boards does Bill Bartee sit on?
Bill Bartee holds tracked board seats at Accelo, Kapiche, Morse Micro, Quintessence Labs, Shoes of Prey.
What companies has Bill Bartee invested in?
Investments tracked here include Altium, Autopilot, Baraja, Culture Amp, Looksmart, Pending.AI, Prospection, Q-CTRL, SEEK.
Where did Bill Bartee go to school?
Bill Bartee studied at University of Richmond School of Law (Juris Doctor); Old Dominion University (Bachelor of Science - BS and MBA, Economics and statistics).
Does Bill Bartee lead rounds?
Yes — Bill Bartee has led 9 tracked investments.

Same school

Also attended University of Richmond School of Law4

Ted ChandlerCo-Founder and Managing Director at NRVMario MazzonePrincipal at Keyhorse CapitalCarl RizzoChief Compliance Officer at Structural CapitalMaeov SaadeeAnalyst at Arnold Ventures

Also attended Old Dominion University12

Ryan BatraInvestor at Khosla VenturesKaitlin DiDomenicoDirector of Finance, Management Company Operations at Mainsail PartnersLata SettyDeal Team & Limited Partner Advisory Council at How Women InvestAshley KramerRevenue Leader, OpenAI at Stage 2 CapitalAdriane BrownManaging Partner at Flying Fish VenturesChristina Johnson-SullivanChief Operations Officer at Trammell Ventures

+ 6 more

Shared employers

Also worked at Q-CTRL13

Ben YuInvestor at Sierra VenturesBritt DannemanPrincipal at Alpha EdisonAravind RatnamChief Strategy Office, Q-Ctrl at SeafundLewis PinaultChief Scientist at Airbus VenturesNicole ConnerPartner at Airbus VenturesJoseph MillerInvestor at Morpheus Ventures

+ 7 more

Also worked at Trellis Data1

Dale R. DavisSenior Principal at Ultratech Capital Partners

Also worked at Morse Micro1

Mike NichollsPartner at Main Sequence Ventures

Also worked at CSIRO42

Sakura HollowayInvestment Director at Future Planet CapitalCindy StewartAdvisor at Siddhi CapitalTracieAdvisor at Skalata VenturesMichelle DeakerFounding Partner and Managing Director at OneVenturesFrédéric Le GuillouPartner at GO CapitalMike ZimmermanPartner at Main Sequence Ventures

+ 36 more