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Tausif Butt

CEO and President, director at Navigator Medicines.

ExecutiveDirector
Updated Nov 9, 2026·Latest SEC filing Sep 25, 2026·Suggest an edit

About Tausif Butt

Tausif Butt is CEO and President, director at Navigator Medicines.

Experience

This experience comes from Tausif Butt's profile and from SEC filings. For roles taken from filings, the years are when the filings name Tausif Butt in the role, so the role may have started earlier or lasted longer.

Navigator Medicines, Inc. Current
CEO and President, director
2025 – Present · San Mateo, CA
Develops antibody treatments for people with inflammatory and autoimmune diseases.
Idorsia Pharmaceuticals US Inc.
President and General Manager
2023 – 2025
ChemoCentryx
Executive VP, Chief Operating Officer
2021 – 2023
AstraZeneca
SVP, Latin America
2014 – 2021
GSK
VP Sales - Respiratory, Integrated Delivery Networks and Health Systems
2000 – 2014
Glaxo, Sanofi-Synthelabo
Sales & Marketing Leadership Positions in UK and France
1994 – 2000

Key Colleagues at Startups

The people Tausif Butt works with at each company, as listed on that company's latest Form D.

Navigator Medicines, Inc. · Form D, Sep 25, 2026
KG
Kristie Grebe
Executive officer
ST
Stephen Thomas
Co-Founder and CEO, Sera Medicine, director
MV
SF
Scott Forrest
Chief Financial Officer
KF
Khurem Farooq
Board Chair
WJ

Sources

  1. SECNavigator Medicines, Inc. Form D, filed Sep 25, 2026