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Tom Willis, Ph.D.

Tom Willis, Ph.D.

Venture Partner atIllumina VenturesCalifornia
Full bioFirm profile

Tom Willis is a Venture Partner at Illumina Ventures. He has founded two genomics startups and currently serves as CEO of Arima Genomics.

What Tom can write

Writes checks ofNot reported
Comes in atSeed, Series ACan lead the round
Pitch pageSubmit on their siteThe firm asks founders to apply here.

Career

  1. Stanford Genome Technology Center
  2. ParAllele BioScience · founding CEO
    2001-2005
  3. Sequenta · CEO
    2008-2015
  4. Arima Genomics · CEO
    2025
  5. Illumina Ventures · Venture Partner
    Now

Companies founded

ParAllele BioScienceSequenta

Investments named in public bios

CernosticsRebus BiosystemsSonoThera

Focus

genomicsdiagnosticscancer

Education

Stanford University, Ph.D. in PhysicsYale University, Bachelor of Science in Physics

Also at Illumina Ventures

Nick Naclerio, Ph.D.
Nick Naclerio, Ph.D.Founding Partner
Abhijit “Ron” Mazumder, Ph.D.
Abhijit “Ron” Mazumder, Ph.D.Partner
Mara Aspinall
Mara AspinallPartner
Wouter Meuleman, Ph.D.
Wouter Meuleman, Ph.D.Partner
Charles White, Ph.D.
Charles White, Ph.D.Principal
Yuling Luo, Ph.D.
Yuling Luo, Ph.D.Venture Partner

Partners like Tom

At firms with a similar stage, sector and check size.

Pete Bastien
Pete BastienPresident & Partner, Hitachi Ventures
Joel S. MarcusExecutive Chairman & Founder; founded and leads Alexandria Venture Investments, Alexandria Venture Investments
Bob MoreManaging Director, Alta Partners
Christopher Male
Christopher MaleCo-Founder & Managing Partner, Autism Impact Fund
Rick Moss
Rick MossFounding Partner, Better Ventures
Peter LeeGeneral Partner, Embark Ventures

Alert me when Illumina Ventures is active

One email when Tom's firm raises a fund, adds a partner or shows new activity.

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Questions

Who is Tom Willis, Ph.D.?

Tom Willis is a Venture Partner at Illumina Ventures. He has founded two genomics startups and currently serves as CEO of Arima Genomics.

How much does Tom Willis, Ph.D. invest?

Illumina Ventures has not reported a check size. It invests at seed, series a.

How do I pitch Tom Willis, Ph.D.?

A warm intro from a founder Illumina Ventures backed works best.

What did Tom Willis, Ph.D. do before Illumina Ventures?

Stanford Genome Technology Center; founding CEO at ParAllele BioScience; CEO at Sequenta; CEO at Arima Genomics.

Last updated 2026-10-15. Is this you? Ask for a correction.