Dr. Jonathan Yeo attended SUNY Downstate School of Medicine graduating in 2008. Prior to joining the Emergency Medicine faculty at the Icahn School of Medicine, he completed a combined Emergency Medicine, Internal Medicine residency at SUNY Downstate, Kings County Hospital in 2013. He currently serves as the medical director of RETU (Rapid Evaluation and Treatment Unit), Mount Sinai’s observation unit. Dr. Jonathan Yeo has contributed to several peer reviewed publications on the subject of observation medicine. He also has privileges with the Mount Sinai’s Department of Medicine, Division of Hospitalist Medicine. He is fluent in Korean.