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Sumita Ray Email Address


Job Title

Senior Vice President, General Counsel, Chief Compliance Officer and Chief Privacy Officer

Calithera Biosciences

Calithera Biosciences, Inc. is a clinical-stage pharmaceutical company focused on discovering and developing novel small molecule drugs directed against tumor metabolism and tumor immunology targets for the treatment of cancer. Calithera’s lead product candidate, CB-839, is currently being evaluated in three Phase 1 clinical trials in solid and hematological cancers. CB-1158 is a first-in- class immuno-oncology metabolic checkpoint inhibitor targeting arginase, a critical immunosuppressive enzyme responsible for T-cell suppression by myeloid-derived suppressor cells. Arginase depletes arginine, a nutrient that is critical for the activation, growth and survival of the body’s cancer-fighting immune cells, known as cytotoxic T -cells. Calithera is headquartered in South San Francisco, California.


Seasoned C-Level Executive and Member of Executive Committee, reporting to CEO and Board of Directors; Global Regulatory, Compliance, Fraud & Abuse Attorney with 16+ years of Pharmaceutical/BioTechnology experience both in private practice and in-house legal departments, including experience Building, Leading and Managing In-House Legal and Compliance Departments Specialties: FDA Regulatory Law, Global Health Care Law, Brand Support (Primary Care, Oncology and Neurology), Product Launches, Collaborations and Alliances, Global Fraud & Abuse and Compliance, Product Liability, Pharmaceutical Litigation, OIG Corporate Integrity Agreement Negotiation & Implementation, Building/Leading & Managing Legal and Compliance Teams

Lives in Sunnyvale.

Other people working at Calithera Biosciences:

Bong PhanExecutive Assistant
Peter ShwonekTechnician
Eric SjogrenSenior Vice President, Drug Discovery
Stephanie WongChief Financial Officer and Secretary
Susanne SteggerdaScientist, Biology
Susan DemoSenior Vice President and Vice President, R and D Operations
Jennifer McNealeyVice President, Investor Relations and Strategy
Susan MolineauxPresident and Chief Executive Officer
Keith OrfordChief Medical Officer
Curtis HechtChief Business Officer
Jennifer Yori PhDAssociate Director of Medical Affairs
Andy MackinnonAssociate Director of Biology
A. Rhodesa*****@calithera.com
Mike RyanManaging Partner
Yonchu JenkinsSenior Clinical Reseach Scientist

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