Michael Alan Weiner (born March 31, 1942), known by his professional name Michael Savage, is an American radio host, author, activist, nutritionist, conservative political commentator, and conspiracy theorist. He is the host of The Savage Nation, a nationally syndicated talk show that aired on Talk Radio Network across the United States until 2012, and in 2009 was the second most listened-to radio talk show in the country with an audience of over 20 million listeners on 400 stations across the United States. Since October 23, 2012, Michael Savage has been syndicated by Cumulus Media Networks. He holds master's degrees from the University of Hawaii in medical botany and medical anthropology, and a Ph.D. from the University of California, Berkeley in nutritional ethnomedicine. As Michael Weiner, he has written books on nutrition, herbal medicine, and homeopathy; as Michael Savage, he has written several political books that have reached The New York Times Best Seller list.