He is a member of numerous professional societies, including the American Medical Association, American Association for the Advancement of Science, American Association for Cancer research, American Society for Clinical Oncology, American Society of Hematology and the International Society of Hematology, and was the first chair of The Myelodysplastic Syndromes Foundation from 1997-2010. Dr. Bennett has contributed over 560 publications to the medical literature as well as several books and was the Editor-in-Chief of the Leukemia Research Journal for 20 years from 1993 - 2013.