Dr. Joleen Hubbard is an Assistant Professor of Medical Oncology at Mayo Clinic. She completed medical school and residency at the University of Minnesota, U.S., and hematology/oncology training at Mayo Clinic, Rochester, Minnesota, U.S. Dr. Hubbard specialises in the treatment of gastrointestinal cancers, focusing on colorectal cancer. Dr. Hubbard is the PI of several phase I clinical trials, investigating novel agents for gastrointestinal cancers. Her research interests also include geriatric oncology with a special interest in clinical and biologic markers of frailty. She serves as a member of the Cancer in the Elderly, as well as the Health Reported Outcomes and Translational Research committees for the North American Alliance of Clinical Trials in Oncology Network. Dr. Hubbard is the chair of the Gastrointestinal Tumor Group Practice at Mayo Clinic Rochester, Minnesota, U.S.