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Atara Biotherapeutics is a 300+ person publicly traded (Nasdaq: ATRA) clinical-stage biotechnology company. We are co-located in South San Francisco (corporate headquarters) and Southern California (R&D and manufacturing hub in northwest Los Angeles) with a European location in Zug, Switzerland. Atara also has 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: office@atarabio.com
Medical inquiries: medinfo@atarabio.com
Media inquiries: press@atarabio.com
Business development: bd@atarabio.com


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
Baarerstrasse 14-16
6300 Zug, Switzerland
+41 41 561 3210



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