Younan Nowzaradan (born October 11, 1944), also known as Dr. Now, is an Iranian-born Assyrian-American doctor, TV personality, and author. He specializes in vascular surgery and bariatric surgery. He is regarded ​as one of the most experienced and ​knowledgeable weight loss ​physicians. He works with obese, ​morbidly obese, and often super-​obese individuals, bringing innovative ​solutions to weight loss and surgical ​interventions.