Dr. Maykel is a 1998 graduate of the Tufts University School of Medicine. He completed a general surgery residency and a clinical fellowship in surgical nutrition/metabolism at Beth Israel Deaconess Medical Center, Harvard Medical School. He completed a colorectal surgery fellowship at the University of Minnesota, University of Minnesota Medical School. He has served as the Chief of the Division of Colon and Rectal Surgery at UMass Memorial Medical Center in Worcester, MA since 2007. His team started a colorectal surgery residency training program in 2012. He is a Professor of Surgery and holds the Joseph M. Streeter and Mary Streeter DeFeudis Endowed Chair in Surgery at the University of Massachusetts Medical School. Dr. Maykel has served on the editorial board of several journals including Diseases of the Colon and Rectum, Journal of Gastrointestinal Surgery and Journal of Surgical Oncology. He has co-authored two textbooks entitled “Complexities in Colorectal Surgery” and “Clinical Decision Making in Colorectal Surgery” and is a co-editor of “The ASCRS Textbook of Colon and Rectal Surgery, 4ed”. He is an active member in the American Society of Colon and Rectal Surgeons and the American College of Surgeons. Clinical interests include rectal cancer, colon cancer, inflammatory bowel disease, complicated diverticulitis and surgical nutrition. Research interests include innovative surgical approaches to colon and rectal diseases including transanal total mesorectal excision (taTME), transanal minimally invasive surgery including TEM and TAMIS, and optimizing surgical quality and outcomes.
Selected publications from PubMed
Transanal total mesorectal excision versus laparoscopic total mesorectal excision for mid and low rectal cancer (COLOR III): short-term outcomes of an international, multicentre, phase 3, randomised, controlled, non-inferiority trial.
Tuynman JB, Yao H, Moolenaar LR, Sietses C, Hompes R, Aigner F, Caycedo-Marulanda A, Chen CC, Deeb M, Doornebosch PG, Feng B, Foo CC, Fürst A, Ito M, de Lacy FB, Leão P, Maykel JA, Muratore A, van Oostendorp SE, Park SC, Pędziwiatr M, Ren M, Seitinger G, Stockmann HBAC, Talsma AK, Türler A, Tong W, Wang Q, Xu Q, Zhang H, van Waesberghe JTM, Ali M, Twisk JWR, Zhang Z, de Lacy AM, Hanna GB, Bonjer HJ, COLOR III Study Group
Lancet Gastroenterol Hepatol. 2026 May;11(5):355-366 doi: 10.1016/S2468-1253(26)00022-1.
Impact of Obesity on Postoperative Outcomes in Transanal Total Mesorectal Excision for Rectal Cancer.
Zewde MG, Peyser DK, Yu AT, Bonaccorso AM, Moshier EL, Alavi K, Goldstone RN, Marks JH, Maykel JA, McLemore EC, Sands DR, Steele SR, Wexner SD, Whiteford MH, Sylla P
Dis Colon Rectum. 2026 Apr 1;69(4):553-564 doi: 10.1097/DCR.0000000000004090.
Impact of neoadjuvant treatment on functional outcomes after transanal total mesorectal excision (taTME)-a case series.
Donovan KF, Tomada EP, Carmichael H, Ricardo A, Berger N, Bonaccorso A, Alavi K, Zaghiyan K, Pigazzi A, Sands D, DeBeche-Adams T, Chadi SA, McLemore EC, Marks JH, Maykel JA, Shawki SF, Steele SR, Albert M, Whiteford MH, Wexner SD, Sylla P
Surg Endosc. 2025 Oct;39(10):6802-6812 doi: 10.1007/s00464-025-11959-z.
Functional Outcomes After Transanal Total Mesorectal Excision (taTME) for Rectal Cancer: Results From the Phase II North American Multicenter Prospective Observational Trial.
Donovan KF, Lee KC, Ricardo A, Berger N, Bonaccorso A, Alavi K, Zaghiyan K, Pigazzi A, Sands D, DeBeche-Adams T, Chadi SA, McLemore EC, Marks JH, Maykel JA, Shawki SF, Steele SR, Albert M, Whiteford MH, Cheng FY, Wexner SD, Sylla P
Ann Surg. 2024 Sep 1;280(3):363-373 doi: 10.1097/SLA.0000000000006374.
Racial disparities in survival of early onset colon cancer (Age<50): A matched NCDB analysis.
Beauharnais CC, Crawford A, Springer JE, Sturrock PR, Davids JS, Maykel JA, Alavi K
Am J Surg. 2024 Feb;228:141-145 doi: 10.1016/j.amjsurg.2023.08.025.
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