Lisa A. Kachnic, MD, succeeded Milton J. Guiberteau, MD, as president of the American Board of Radiology (ABR) on October 28, 2016. As a radiation oncologist, Dr. Kachnic previously chaired ABR item-writing committees in gastrointestinal (GI) oncology for both the Initial Certification and Maintenance of Certification exams. She continued her volunteer service as an ABR trustee in 2010 and president-elect in 2014, and has served on numerous Board committees.