Thomas Willis

Chief Executive Officer at

Sequenta, Inc.

Health Technology

Consumer Services

Commercial Services

Profile

Thomas D.
Willis was the founder of ParAllele BioScience, Inc., founded in 2001, where the title held was Chief Scientific Officer from 2001 to 2013.
Dr. Willis is the founder of Sequenta, Inc., founded in 2007, holding the title of Chief Executive Officer.
Current jobs include Chief Executive Officer & Director at Arima Genomics, Inc. starting in 2025, and Venture Partner at IIF Management Co. LLC since 2017.
Former jobs include Director at Boreal Genomics, Inc., Director at SpinX Technologies SA, Vice President-DNA Product Marketing at Affymetrix, Inc. in 2007, and Principal at Stanford Genome Technology Center from 1996 to 2013.
Education includes graduate and doctorate degrees from Stanford University and an undergraduate degree from Yale University.

Thomas Willis active positions

Companies	Position	Start
Sequenta, Inc. Sequenta, Inc. BiotechnologyHealth Technology Operates as a biotech company which discovers and develops clinical diagnostics based on immune system status	Chief Executive Officer	17/08/2010
IIF Management Co. LLC IIF Management Co. LLC Investment ManagersFinance Illumina Ventures invests in companies located in the United States. The firm focuses on companies operating in the fields of life science tools, diagnostics, therapeutics, digital health and sustainability sectors. It provides financing for early stage capital requirements.	Private Equity Investor	31/12/2016
Arima Genomics Inc. Arima Genomics Inc. BiotechnologyHealth Technology Develops clinical tests and technology platforms that uncover cancer-driving alterations	Chief Executive Officer	16/06/2025

All active positions of Thomas Willis

Former positions of Thomas Willis

Companies	Position	End
SpinX Technologies SA SpinX Technologies SA Medical SpecialtiesHealth Technology Develops and manufactures laboratory equipment	Director/Board Member	11/08/2010
AFFYMETRIX, INC.	Sales & Marketing	31/12/2006
Boreal Genomics, Inc. Boreal Genomics, Inc. Medical SpecialtiesHealth Technology Develops and markets DNA and RNA purification, enrichment, and detection equipment and tools	Chairman	-
Stanford Genome Technology Center	Corporate Officer/Principal	-
ParAllele BioScience, Inc. ParAllele BioScience, Inc. Miscellaneous Commercial ServicesCommercial Services Develops biochemical processes to analyze variations in the human genome	Chief Executive Officer	-

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Linked companies

Private companies	10
Affymetrix, Inc. Affymetrix, Inc. Medical SpecialtiesHealth Technology Develops, manufactures and sells products and services for genetic analysis	Health Technology
ParAllele BioScience, Inc. ParAllele BioScience, Inc. Miscellaneous Commercial ServicesCommercial Services Develops biochemical processes to analyze variations in the human genome	Commercial Services
Sequenta, Inc. Sequenta, Inc. BiotechnologyHealth Technology Operates as a biotech company which discovers and develops clinical diagnostics based on immune system status	Health Technology
Boreal Genomics, Inc. Boreal Genomics, Inc. Medical SpecialtiesHealth Technology Develops and markets DNA and RNA purification, enrichment, and detection equipment and tools	Health Technology
Stanford University Stanford University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Yale University Yale University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
SpinX Technologies SA SpinX Technologies SA Medical SpecialtiesHealth Technology Develops and manufactures laboratory equipment	Health Technology
Stanford Genome Technology Center
IIF Management Co. LLC IIF Management Co. LLC Investment ManagersFinance Illumina Ventures invests in companies located in the United States. The firm focuses on companies operating in the fields of life science tools, diagnostics, therapeutics, digital health and sustainability sectors. It provides financing for early stage capital requirements.	Finance
Arima Genomics Inc. Arima Genomics Inc. BiotechnologyHealth Technology Develops clinical tests and technology platforms that uncover cancer-driving alterations	Health Technology