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Tom Willis

VC Partner, Partner at Illumina Ventures

Location

United States, North America

Check Size

$100K - $5M

Investment Stage

Seed
Series A

Focus Areas

BioTech

About Investor

Tom Willis is currently Venture Partner at Illumina Ventures and as of June 2025 also serves as CEO of Arima Genomics, the company leveraging whole-genome structure for advances in cancer diagnostics. He invests within biotech and diagnostics, across Seed to Series A stages, with a range of $100 K to $5 M. He brings over two decades of genomics entrepreneurship—founding and exiting ParAllele BioScience and Sequenta—and earlier directed technology development at Stanford Genome Technology Center during the Human Genome Project.

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Previous investments

SonoThera
61M |2022

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