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Personalis, Inc. Employee Directory

Biotechnology ResearchCalifornia, United States201-500 Employees

Personalis, Inc. is a mid-sized biotechnology research company based in Fremont, California. It develops personalized cancer testing intended to guide care from biopsy through the patient\'s life, using tumor-and-normal profiling and advanced data interpretation. The company\'s assays are designed to detect minimal residual disease and cancer recurrence at the earliest timepoints and to inform decisions about targeted therapies based on comprehensive genomic profiling. 

Personalis serves healthcare providers, researchers, and pharmaceutical developers seeking to improve treatment selection and disease monitoring. Operating in the biotechnology research sector, it participates in industry events to share clinical findings and expand its collaborative footprint. A recent collaboration with the Yale Cancer Center is focused on evaluating a ctDNA-guided treatment approach in breast cancer.

Find Personalis, Inc. employees' phone numbers or email addresses

Personalis, Inc. Global Highlights

Location
Employees

North America
375

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  • United States Of America
    372
  • Mexico
    2
  • Costa Rica
    1

Asia
19

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  • India
    6
  • China
    4
  • Iran
    3
  • Bangladesh
    2
  • Russian Federation
    1
  • Nepal
    1
  • Sri Lanka
    1
  • Indonesia
    1

Europe
4

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  • United Kingdom Of Great Britain And Northern Ireland
    3
  • Portugal
    1

Africa
3

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  • Nigeria
    2
  • Ghana
    1

South America
2

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  • Colombia
    1
  • Brazil
    1

Personalis, Inc.'s Leadership

  • Chief Executive Officer at Personalis, Inc.
    C. H.
    Chief Executive Officer
    Mobile Phone
  • Chief Executive Officer at Personalis, Inc.
    J. W.
    Chief Executive Officer
    Mobile Phone
  • Vice President , Corporate Controller at Personalis, Inc.
    R. S.
    Vice President , Corporate Controller
    Mobile Phone
  • Owner at Personalis, Inc.
    D. J.
    Owner
    Mobile Phone
  • Owner at Personalis, Inc.
    T. H.
    Owner
    Mobile Phone
  • Director, Biopharma Business Development at Personalis, Inc.
    M. T.
    Director, Biopharma Business Development
    Mobile Phone
  • Associated Director, Accounting at Personalis, Inc.
    C. T.
    Associated Director, Accounting
    Mobile Phone
  • Director, Biopharma Business Development - Europe at Personalis, Inc.
    A. C.
    Director, Biopharma Business Development - Europe
    Mobile Phone

Personalis, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Research
  • Engineering
  • Program & Project Management
  • Business Development
  • Operations
  • Other
  • Biotechnology
  • Accounting
  • Administrative

Contact profiles from Personalis, Inc.

Name
Title
Contact
Location
Last Update
  • Chief Executive Officer at Personalis, Inc.
    C. H.
    Chief Executive Officer
    Mobile Phone
    Aug 16, 2026
  • Owner at Personalis, Inc.
    D. J.
    Owner
    Mobile Phone
    Oct 16, 2024
  • Chief Executive Officer at Personalis, Inc.
    J. W.
    Chief Executive Officer
    Mobile Phone
    UNITED KINGDOM, Greater London
    Jan 04, 2024
  • Owner at Personalis, Inc.
    T. H.
    Owner
    Mobile Phone
    Oct 17, 2024
  • Vice President , Corporate Controller at Personalis, Inc.
    R. S.
    Vice President , Corporate Controller
    Mobile Phone
    Oct 16, 2025
  • Director, Biopharma Business Development at Personalis, Inc.
    M. T.
    Director, Biopharma Business Development
    Mobile Phone
    United Kingdom, England
    Jun 19, 2026
  • Associated Director, Accounting at Personalis, Inc.
    C. T.
    Associated Director, Accounting
    Mobile Phone
    Bay
    Aug 23, 2026
  • Director, Biopharma Business Development - Europe at Personalis, Inc.
    A. C.
    Director, Biopharma Business Development - Europe
    Mobile Phone
    Portugal
    Jul 29, 2026
  • Director - Scientific Computing & It at Personalis, Inc.
    D. Z.
    Director - Scientific Computing & It
    Mobile Phone
    Bay
    Aug 27, 2026
  • Associate Director, Business Systems at Personalis, Inc.
    M. A.
    Associate Director, Business Systems
    Mobile Phone
    Bay
    Aug 28, 2026

Frequently Asked Questions

What is Personalis, Inc. known for?

Minus sign iconPlus sign iconPersonalis, Inc. was founded in 2011 and operates in the Biotechnology Research industry. You can contact Personalis, Inc.'s main corporate office by phone at
+1-650-752-****
. Explore Personalis, Inc.'s company overview page for more information.

What is Personalis, Inc.'s most common email format?

Minus sign iconPlus sign iconPersonalis, Inc. employees' email format typically follows the pattern of First.Last@personalis.com. Trying to find reliable and up-to-date employee contact data? Find more Personalis, Inc. email formats with LeadIQ.

How many employees does Personalis, Inc. have currently?

Minus sign iconPlus sign iconPersonalis, Inc. has approximately 407 employees as of August 2026. These team members are located across 5 continents, including North America, Asia and Europe.

Who are Personalis, Inc.'s key employees and leadership?

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As of August 2026, Personalis, Inc.'s key employees include:

  • Chief Executive Officer: C. H.
  • Chief Executive Officer: J. W.
  • Vice President , Corporate Controller: R. S.
  • Owner: D. J.
  • Owner: T. H.

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