Butler native Master Robert Zang, owner of Zang Taekwon-Do in Warrendale, tested and earned his eighth-degree black belt March 30 in Canada with Grand Master Jong Park.

Zang, 42, was inducted into Taekwon-Do Martial Arts Hall of Fame in New York in 2016.

At age 4, he started training and earned his first degree black belt at 9.

Zang has trained for 38 years and has taught Taekwon-Do for 24 years.