Brett Wallden in

Brett Wallden

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Senior Director, Assay Development at Foundation Medicine
📍 Boston, Massachusetts, United States

Brett Wallden is the Senior Director of Assay Development at Foundation Medicine, with over 19 years of experience in molecular diagnostics. He leads a large team of scientists developing oncology assays and was instrumental in creating the Prosigna breast cancer assay. People who have worked with him often describe him as strategic, logical, and diligent.

While he now works in the Boston area, Brett previously lived in Seattle, where he and his wife, Lisa, were patrons of the arts. They have financially supported The 5th Avenue Theatre, a prominent non-profit focused on musical theater.

He played a key role in developing strategies for engagement with regulatory agencies in Japan for a diagnostic product.

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Experience
25 Years
Current Role
Senior Director, Assay Development
Job Level
Senior
Location
Boston, Massachusetts, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Brett cares about

Cancer Biomarkers
He has co-authored numerous publications on prognostic gene signature assays for breast cancer, such as Prosigna and PAM50, and ctDNA monitoring assays.
Scientific Leadership
He leads a team of over 20 scientists at Foundation Medicine and frequently posts about hiring for his "amazing team doing amazing work."
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Career

Work history

3-2026
Senior Director, Assay Development
Foundation Medicine
3-2020 - 3-2026
Director, CDx Development
Foundation Medicine
9-2018 - 12-2019
Director, Diagnostic Product Development
NanoString Technologies, Inc.
3-2017 - 9-2018
Manager, Diagnostic Product Development
NanoString Technologies, Inc.
12-2015 - 3-2017
Senior Scientist, Diagnostic Development
NanoString Technologies, Inc.
In the press

Media appearances

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Education
2008 - 2009
Certificate Program
University of Washington
1998 - 2001
M.S.
Western Washington University
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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