Dr. Christopher Comstock is an attending radiologist and director of Breast Imaging Postgraduate Training & Education at Memorial Sloan-Kettering Cancer Center. He earned his medical degree from Tulane in 1990 and finished his residency in radiology in 1995 at Ochsner Clinic Foundation in New Orleans. Following his residency, he completed a fellowship in Breast Imaging at the University of Chicago. Dr Comstock then worked as an Assistant Professor of Radiology at the University of Chicago and later at Northwestern University Hospital’s Lynn Sage Breast Center. For 2 years, he was the medical director of the West Suburban Hospital’s Center for Breast Care in River Forest Illinois and later worked at Memorial Care’s breast centers in Long Beach and Orange Coast California. From 2003 to 2009, Dr Comstock was the director of breast imaging at The University of California San Diego. In 2006 he completed a 2 year ACRIN fellowship in clinical trials in medical imaging. Dr Comstock is co-author of “Abbreviated Breast MRI: A Practical Guide” published this year, co-author of a text book on breast cancer imaging, written several book chapters, has been involved in numerous breast imaging publications and has given over 400 invited lectures. His past professional service includes: Chair of the ACR Breast Ultrasound Accreditation program, ABR Oral Board examiner, Chair of the RSNA Breast Refresher course program, Chair of the ACRIN Institutional Participants committee and member of the NCI BOLD task force. He is currently the Imaging Co-Chair of the ECOG-ACRIN Breast Committee and is chair of the ACR Committee on BI-RADS Breast MRI. In 2014 Dr Comstock was inducted as a Fellow of the American College of Radiology. His current research includes; evaluation of the supplemental yield of whole breast screening ultrasound to screening tomosynthesis, comparison of CEDM to whole breast ultrasound, Co-PI of an active multicenter trial titled Effect of Preoperative Breast MRI on Surgical Outcomes, Costs and Quality of Life of Women with Breast Cancer (Alliance A011104/ACRIN 6694) and Study chair of the recently opened ECOG-ACRIN trial EA1141, “Comparison of Abbreviated Breast MRI and Digital Breast Tomosynthesis in Breast Cancer Screening in Women with Dense Breasts”.