Our Team


Jennifer R. Cochran, PhD
Executive Chair, Co-founder

K. Dane Wittrup, PhD

Co-founder, C.P. Dubbs Professor of Chemical Engineering and Biological Engineering at MIT

Antoni Ribas, MD PhD

Professor of Medicine, of  Surgery, and of Molecular and Medical Pharmacology, UCLA

Ronald Levy, MD

Robert K. and Helen K. Summy Professor, Stanford Medicine- Oncology

James A. Wells, PhD

Harry W. and Diana V. Hind Distinguished Professor in Pharmaceutical Sciences at UCSF

Fran Heller, JD

CEO and founder of Good2Go

Dean Sheppard, MD

Professor of Medicine, UCSF; Founding Director, UCSF Lung Biology Center

Leadership and Board of Directors

Jennifer R. Cochran, PhD
Executive Chair, Co-founder

Darius Kharabi, JD, MBA

Chief Operating Officer

Mark S. Blumenkranz, MD

Chairman of Lagunita Biosciences

Kenneth A. Clark, JD

Partner, Wilson Sonsini Goodrich & Rosati

Steven D. Schwartz, MD

Phone:      (650) 461 - 4503

Email:        info@xcellabio.com

1490 O’Brien Drive, Suite C

Menlo Park, CA 94025