USA Martial Arts Hall of Famer Sean Ramey is the author of the "Defend Yourself" series. He began studying Tae Kwon Do at the age of 9, and went on to win more collegiate, state, national, and international Tae Kwon Do titles than anyone in the history of his native Kentucky. A sixth-degree black belt, Ramey now operates Kentucky Tae Kwon Do & Fitness Academy, and is a highly sought-after public speaker. He is also known to millions of Americans as a contestant on Season 4 of "The Bachelorette."