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Alejandra Romero

Investor

Principal at Main Sequence Ventures

Sydney, Australia

Writes $250K – $20M checks · typically $10.1M

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About

Alex Romero is an Investment Manager at Main Sequence, focused on company creation and early-stage investing in deep tech areas including quantum, AI, advanced physics, and industrial systems. She previously worked on the investment team at Uniseed, handling university spinouts and research commercialisation with institutions such as the Universities of Melbourne, Queensland, Sydney, UNSW, and CSIRO, and earlier co-founded a non-profit supporting refugees in Europe. She holds honours degrees in applied science from the Universitat Autònoma de Barcelona and Universidad Complutense de Madrid.

Contact· self-published, not guessed

Invests in

AI & Machine LearningDeep TechQuantum Computing

Experience

  1. Main SequencePrincipalcurrent2026 — present
  2. Main SequenceInvestment Manager2025 — 2026
  3. Main SequenceAssociate2024 — 2025Sydney, New South Wales, Australia
  4. Main SequenceInvestment Analyst2023 — 2024
  5. DeteqtNon Executive Directorcurrent2026 — presentSydney, New South Wales, Australia
  6. CortisonicNon Executive Directorcurrent2025 — present
  7. DiraqBoard Observercurrent2024 — presentSydney
  8. Quantum BrillianceBoard Observercurrent2024 — present
  9. Varden ProcessBoard Observercurrent2024 — present
  10. SunDriveBoard Observercurrent2023 — present
  11. Queensland GovernmentAdvisory Committee - Quantum Innovation Queensland2024 — 2026Brisbane, Queensland, Australia
  12. UniseedInvestment Analyst2021 — 2023Brisbane, Queensland, Australia
  13. Inventia Genetic TechnologiesLab Tech2020 — 2021Brisbane, Queensland, Australia
  14. CEROCOMACEROESTUDIOSales and Marketing Coordinator2018 — 2019Greater Madrid Metropolitan Area
  15. CEROCOMACEROESTUDIOSales Representative2018 — 2019
  16. NGO, Caravana SolidariaCo-founder2015 — 2018Madrid, Community of Madrid, Spain
  17. American ExpressSales Representative2016 — 2017Greater Madrid Metropolitan Area
  18. Bios.cvResearch Assistant2015Sal Rei, Boa Vista, Cape Verde

Skills & more

Business Strategy6Communication7Venture Capital5Leadership3Negotiation3Analytical Skills6Business Planning6Financial Analysis4

From Alejandra's professional profile.

Colleagues at Main Sequence Ventures

Alezeia Brown
Investment Manager at Main Sequence Ventures
Alison Deans
Investment Committee at Main Sequence Ventures
Ben Hansky
Senior Legal Counsel at Main Sequence Ventures
Bill Bartee
Managing Partner at Main Sequence Ventures
Danielle Haj-Moussa
Associate at Main Sequence Ventures
Elaine Stead
Principal at Main Sequence Ventures
Emerald Scofield
Associate at Main Sequence Ventures
Erika Enberg
Head of People at Main Sequence Ventures

Network4

Alezeia Brown
Investment Manager at Main Sequence Ventures
Danielle Haj-Moussa
Associate at Main Sequence Ventures
Gabrielle Munzer
Partner at Main Sequence Ventures
Jun Qu
Investment Manager at Main Sequence Ventures

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

Frequently asked questions

Who is Alejandra Romero?
Alex Romero is an Investment Manager at Main Sequence, focused on company creation and early-stage investing in deep tech areas including quantum, AI, advanced physics, and industrial systems. She previously worked on the investment team at Uniseed, handling university spinouts and research commercialisation with institutions such as the Universities of Melbourne, Queensland, Sydney, UNSW, and CSIRO, and earlier co-founded a non-profit supporting refugees in Europe. She holds honours degrees in applied science from the Universitat Autònoma de Barcelona and Universidad Complutense de Madrid.
Where does Alejandra Romero work?
Alejandra Romero is Principal at Main Sequence Ventures.
What does Alejandra Romero invest in?
Alejandra Romero invests in AI & Machine Learning, Deep Tech, Quantum Computing.
What check size does Alejandra Romero write?
Alejandra Romero typically writes checks of $250K – $20M.
Where did Alejandra Romero go to school?
Alejandra Romero studied at Universitat Autònoma de Barcelona; Universidad Complutense de Madrid (Bachelor of Applied Science - BASc).

Same school

Shared employers

Also worked at Deteqt1

Scott FarisCEO at Infleqtion