My research program focuses on epidemiological studies relating cardiorespiratory fitness to cancer outcomes and clinical studies to assess the optimal intensity, duration, and timing of exercise training in the chemoprevention setting as well as during and after cancer treatment. Other projects involve the study of cardiovascular risk in cancer patients as well as characterizing the loss of cardiorespiratory fitness in cancer. Clinically, I serve as the cardiologist within the Department of Clinical Cancer Prevention at the University of Texas M.D. Anderson Cancer Center. I have a VO2 testing lab within my clinical practice, providing objective fitness assessment and personalized exercise prescriptions for patients. This is the first cardiovascular prevention program in the U.S. focused exclusively on improving fitness and mitigating existing cardiovascular risk factors in patients at high-risk for cancer and/or patients treated for cancer.