Geoffrey Johnson, M.D., Ph.D. (IMM ’05, MDPH ’05, I1 ’06, RD ’10, RNUC ’11), chair, Mayo Clinic Rochester

Geoffrey Johnson, M.D., Ph.D. (IMM ’05, MDPH ’05, I1 ’06, RD ’10, RNUC ’11), chair, Division of Nuclear Medicine at Mayo Clinic in Rochester is chair of the Radiopharmaceuticals Disease Team in the Mayo Clinic Comprehensive Cancer Center and co-chair of the Experimental and Novel Therapeutics Disease Group. Dr. Johnson is associate professor of radiology and assistant professor immunology in the Mayo Clinic College of Medicine and Science.