Musclemania® Latino Junior Champion Juan Felipe Nieto's started training as a 17 year old and his 5 year, 65 kg / 143 lbs. to 90 kg. / 198 lbs. transformation has created a new physique. He says, "I wanted to get big arms and counted stop." The 5'9". 22 year, Colombian natural athlete is a university business student and will earn his bachelor's degree this semester.