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Atara Biotherapeutics is co-located by design in South San Francisco (corporate headquarters) and Southern California (R&D and manufacturing hub in northwest Los Angeles) with a newly-established European headquarters in Zug, Switzerland. We also have a R&D site in the Denver, Colorado area and office in New York City. Our Southern California hub is anchored by the 90,000 sq. ft., state-of-the-art Atara T-Cell Operations and Manufacturing (ATOM) facility in Thousand Oaks, California.


General inquiries:
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Media inquiries:
Business development:


Northern California/Corporate HQ
Atara Biotherapeutics, Inc.
611 Gateway Blvd, Suite 900
South San Francisco, CA 94080
(650) 278-8930

Southern California

Atara T-Cell Operations and
Manufacturing (ATOM)
2430 Conejo Spectrum St
Thousand Oaks, CA 91320


Atara Biotherapeutics, Inc.
SoCal Administrative Headquarters
2380 Conejo Spectrum St, Suite 200
Thousand Oaks, CA 91320
(805) 623-4211


Atara Biotherapeutics Switzerland GmbH
Dammstrasse 19
6300 Zug, Switzerland



Atara Biotherapeutics, Inc.
12635 East Montview Blvd, Suite 280
Aurora, CO 80045
(650) 278-8930

New York

Atara Biotherapeutics, Inc.
135 East 57th Street, 14th Floor
New York, NY 10022
(646) 661-4588