In 1953 he was promoted to the rank of black belt.

He holds the rank of 9th dan black belt in the art.

Once a student attains the rank of black belt, the following optional advanced courses are offered:

For the next several years Hwang would rise up the ranks and eventually be promoted to the rank of ninth-degree black belt.

Burns holds the rank of 3rd dan black belt in taekwondo.

He held the rank of 9th dan black belt in hapkido.

Trần held the rank of 9th dan black belt in taekwondo.

He has personally trained and promoted over 100 individuals to the rank of black belt.

Dan level belts are invariably black, with some schools using stripes to denote various ranks of black belt.

Palmer was a judoka who attained the sport's highest rank of 10th dan black belt.