Don Dizon is a medical oncologist specializing in the care of women's cancers and the sexual health of cancer survivors.

He trained in medical oncology at Memorial Sloan-Kettering Cancer Center (MSKCC) where he was also on the faculty in the Developmental Therapeutics section and Gynaecologic Oncology Disease Management Team at MSKCC until 2003.

Between 2003 and 2009 he was the director of medical oncology at the Program in Women's Oncology at Women & Infants Hospital of Rhode Island and an Associate Professor in Obstetrics & Gynaecology and Medicine at the Warren Alpert School of Medicine at Brown University, where he also founded the Center for Sexuality, Intimacy, and Fertility for women with cancer (CSIF)- the first programme of its kind in Rhode Island.

In July 2012, he transferred his clinical practice to MGH, where he founded and served as the director of the Oncology Sexual Health Clinic at the MGH Cancer Center.

In September 2017, he accepted the role as Head of Women's Cancers, Lifespan Cancer Institute, and the Director of Medical Oncology at Rhode Island Hospital, where he resumed his position as Associate Professor of Medicine, Warren Alpert Medical School of Brown University, Providence, USA. 

In addition to his clinical duties, he co-chairs the Cervical Cancer Task Force for the NCI Gynecologic Cancer Steering Committee. He is prolific on social media and maintains online columns for ASCO and for the journal, The Oncologist. 

He is the chair of the social media working group for ASCO and is the inaugural chair of the Digital Engagement Committee for the Southwest Oncology Group (SWOG).

Dr Dizon is on twitter @drdonsdizon.