Thorvardur Halfdanarson, M.D. (HEMO ’07), is chair, Mayo Clinic Rochester

Thorvardur Halfdanarson, M.D. (HEMO ’07), Division of Medical Oncology at Mayo Clinic in Rochester, is chair of the Hepato-Pancreatico-Biliary Cancer Disease Group in the Mayo Clinic Comprehensive Cancer Center. Dr. Halfdanarson is a professor of oncology and associate professor of medicine in the Mayo Clinic College of Medicine and Science.