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Timothy A. Chan, M.D., Ph.D.

Cleveland Clinic
Sontag Scientific Advisor

Dr. Chan is an internationally recognized expert in precision immuno-oncology and a pioneer in the use of genomics to determine which patients will respond best to certain types of immunotherapies.

Dr. Chan is a 2010 Sontag Foundation Distinguished Scientist Award recipient and one of two alumni serving on The Foundation's Scientific Advisory Board. Dr. Chan is the Director of the Center for Immunotherapy and Precision Immuno-Oncology at the Cleveland Clinic. He is on the leadership team of the National Center for Regenerative Medicine of Case Western Reserve University and on staff in the Genomic Medicine Institute of the Lerner Research Institute and the Department of Radiation Oncology of the Taussig Cancer Institute. Dr. Chan joined Cleveland Clinic from Memorial Sloan Kettering Cancer Center and Weill Cornell School of Medicine, where he led the Immunogenomics and Precision Oncology Platform and was a tenured professor, the PaineWebber Chair, and the Translational Oncology Division chair. He has published over 200 articles in peer-reviewed journals, has made landmark discoveries in his field, and has received numerous awards, including the National Cancer Institute Outstanding Investigator Award in 2018.

Current Appointment

Director, Center for Immunotherapy and Precision Immuno-Oncology, Cleveland Clinic


B.S., Harvard College

M.D., Johns Hopkins University

Ph.D., Johns Hopkins University