Deryl W. Duer is an acclaimed fitness expert, a Certified Personal Trainer (CPT) and Certified Health Coach (CHC). He's also a certified trainer in P90X Live, Insanity Live, and Turbokick. Deryl is a former law enforcement officer with 20 years of martial arts training. He graduated with honors from Liberty University and attended Southern Baptist Theological Seminary. Most importantly, Deryl is a husband and father of four.