Since as young as 8 years old Darius Pfeifer has practiced in the martial arts. Getting his start at a young age practicing Hapkido and Judo he later began his training in his teens at the long standing Yong Hong Karate Institute in Woodstock IL where he received is black belt In Tae Kwon Do in 1990.

He continued his training in Tae Kwon Do as well as variety of other martial arts for the last 20 years. Since 2008 he has been teaching in after school programs in Grayslake with his wife Jeanette, also a black belt and was recently awarded a letter of accommodation from the World Tae Kwon Do Federation for his advancement of Tae Kwon Do in the United States.