Tom Willis
Venture Partner · Illumina Ventures
Tom Willis, Ph.D., serves as a Venture Partner at Illumina Ventures while also acting as CEO of Arima Genomics since June 2025[1][2]. He invests in biotech and diagnostics companies from Seed to Series A stages, focusing on the San Francisco Bay Area and other major geos with a thesis rooted in genomics entrepreneurship[2]. His typical check size ranges from
