Dr. Guillaume “Will” Pegna, M.D., is an Assistant Professor of Medicine in the Division of Hematology and Medical Oncology at Oregon Health & Science University School of Medicine. He specializes in the care of adults with gastrointestinal and neuroendocrine cancers. An active clinical researcher, Dr. Pegna leads and contributes to clinical trials aimed at improving survival and quality of life through chemotherapy, immunotherapy, and multidisciplinary treatment strategies. He is also deeply involved with national cancer societies and committees, as well as multiple national and local patient advocacy networks.