Dr. Armand Ryden graduated from the University of Chicago Pritzker School of Medicine and completed his residency program at the same university. Soon after that, he also completed two fellowships, one at the VA Greater Los Angeles Healthcare System and the other at the Cedars-Sinai Medical Center. Dr. Ryden is now specialized in pulmonology and board certified in pulmonary disease, internal, sleep, and critical care medicine. He has been practicing medicine for more than 6 years and is affiliated with the Cedars-Sinai Medical Center. During his career, he has contributed to one publication of medical interest which is entitled “Role of sleep duration and quality in the risk and severity of type 2 diabetes mellitus”.