Dr. Charlson is Assistant Professor of Medicine at the Medical College of Wisconsin, Division of Neoplastic Diseases and Related Disorders, specializing in sarcoma, breast cancer and solid malignancies. He graduated from the University of Iowa, College of Medicine in 1999, and then completed an internal medicine residency at the Medical College of Wisconsin Affiliated hospitals, serving as chief resident. He completed his fellowship in oncology in 2007, and is board certified in internal medicine and medical oncology.