About
Tom Willis is the Chief Executive Officer Arima Genomics. Tom has been an entrepreneur in the biotech industry for the past decade. After receiving his Ph.D. in physics from Stanford University in 1996, he joined the Stanford Genome Technology Center (SGTC) to work on DNA sequence analysis technologies. He held several positions at the SGTC including Associate Director in charge of technology development. While at SGTC, Dr. Willis was the co-inventor of the Molecular Inversion Probe technology for high throughput genotyping. In 2001, he co-founded ParAllele BioScience to develop and commercialize this technology. As its founding CEO, he led ParAllele through two rounds of VC financing and grew the company to over 80 employees. In 2005 ParAllele was acquired by Affymetrix at which time Tom served in several management positions at Affymetrix. He left in 2007 to pursue new startup opportunities. In addition to his role as CEO of Sequenta, Tom serves on the boards of SpinX Technol
Position in the VCSift Database
- • 6 investors at Illumina Ventures are tracked.
- • 421 investors hold the Venture Partner role in VCSift. Tom Willis is one of them.
- • 7,285 investors are based in San Francisco, California, United States.
Data sourced from 410,343 investor profiles. Updated June 2026.
Investment Focus
- Location
- San Francisco, US
Contact Information
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