Dr. Damian Blum- Sleep Expert and Instructor Video SGS Instructors, Videos | November 29, 2017 | Daniel SGS Get to know Dr. Blum! He lectures for SGS on the dental treatment of snoring and sleep apnea. He is an expert in Sleep, and runs a busy practice in Maryland. Learn more about his upcoming seminars here! Share 0 Reddit +1 Pocket LinkedIn 0