Dr. Willett is Professor and Chair of Radiation Oncology at Duke University Medical Center. He has served as Chair of the GI Cancer Subcommittee for the RTOG since 1999. His research interests include the use of novel agents with radiation therapy in GI malignancies and the multi-modality therapy of GI cancers. He has authored or co-authored over 225 publications and edited 3 text books in Radiation Oncology.