Jagtar Singh Nijjar in

Jagtar Singh Nijjar

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Chief Medical Officer at Stealth Mode Biotech
📍 Cambridge, England, United Kingdom

Jagtar Singh Nijjar is a Chief Medical Officer with a decade of expertise in rheumatology and drug development. A graduate of the University of Glasgow, he has held senior roles at GSK and Weatherden, focusing on translational medicine and leading teams through early-phase clinical development for immune-mediated and musculoskeletal diseases.

He is a skilled public speaker who focuses on making complex scientific concepts understandable to broad audiences. His leadership style is collaborative and empathetic, centered on coaching and developing his teams to foster innovation.

He has contributed to grant review panels for critical areas, including COVID-19 and rare diseases.

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Experience
12 Years
Current Role
Chief Medical Officer
Job Level
Leadership
Location
Cambridge, England, United Kingdom
Personality Overview

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Communication Style
Decision Approach
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Priorities

Topics Jagtar cares about

Drug Development
His entire career is dedicated to advancing therapeutics for patients with unmet needs, from discovery at GSK to his current role as a biotech CMO.
Translational Medicine
He has deep expertise in bridging the gap between early discovery and clinical application, having led translational medicine teams and early-phase studies.
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Career

Work history

6-2025
Chief Medical Officer
Stealth Mode Biotech
6-2024 - 6-2025
Senior Drug Development Clinician
Weatherden
1-2024 - 6-2024
Senior Director Physician Immunology Early Clinical Development
GSK
7-2022 - 2-2024
Discovery Medicine Group Leader
GSK
10-2019 - 7-2022
Drug Discovery Physician
GSK
In the press

Media appearances

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Education
9-2011 - 9-2015
Doctor of Philosophy - PhD
University of Glasgow
2000 - 2006
MBChB (Hons.)
University of Glasgow
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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