The December issue of SLEEP includes an editorial by AASM President Dr. Timothy Morgenthaler and SRS President Dr. Allan Pack announcing that the board of directors of the Associated Professional Sleep Societies LLC (APSS) has appointed Ronald Szymusiak, PhD, as the next editor-in-chief of SLEEP. To ensure a smooth transition of leadership, he will serve as a deputy editor until David Dinges, PhD, concludes his second term as editor-in-chief in December 2015. At SLEEP 2015 in Seattle, Dr. Szymusiak will be introduced and Dr. Dinges will be recognized for a decade of service to the field as the editor of SLEEP.