Our Team

In-House Experts

The Certis Oncology team has already proven the model and is continuing to innovate. Our in-house science team includes MDs, PhDs, and highly skilled Orthotopic PDX microsurgeons.

Brian Datnow, MD
Laboratory Medical Director
UCSD School of Medicine
Department of Pathology

Jonathan Nakashima, PhD
Director of Operations
UCLA Postdoctoral Fellow
Molecular & Medical Pharmacology

R. Harper Summers, MD
Pathologist & CLIA Expert
Alvarado Hospital
Chief of Staff

For more information on our team, please contact us.

Board of Directors

James H. Berglund, Chairman
Enterprise Partners Venture Capital

Peter Ellman, CEO
Nextec, Stratagene, ParagonDx, Thermoscan


Stephen Bonner 
Cancer Treatment Centers of America 

Gail Bryan
Latitude Link

Frederick (Fritz) C. Eilber, MD 
UCLA, Surgery Division of Oncology, Director Sarcoma Program

Mark Grosvenor
Grosvenor Industries

Arun S. Singh, MD
UCLA, Hematology-Oncology

Scientific Advisory Board

Frederick (Fritz) C. Eilber, MD 
UCLA, Surgery Division of Oncology, Director Sarcoma Program

Arun S. Singh, MD
UCLA, Hematology-Oncology

William Tap, MD
Memorial Sloan Kettering, Chief of the Sarcoma Medical Oncology Service


James Tomlinson, MD
UCLA, Complex General Surgical Oncology

Certis Oncology Roundtable: The Paradigm Needs to Be Changed