Dr. Cartwright earned an MD degree from the Medical College of Wisconsin. He was an intern in Internal Medicine, University of California Davis (UC Davis). He completed a residency in anatomic and clinical pathology at UC Davis, where he was chief resident. Cartwright was a cytology fellow at the University of California San Francisco and an LMP molecular genetics fellow 2015-16. He was pathologist and co-lab director at Minnesota Urology prior to joining LMP.