Sensei Velibor Dimitrijevic, is one of the close assistants to the late Taiji Kase Sensei and a member of Instructors Academy Shihankai. He is Serbian, born in 1953 and is a Graduate of Mechanical Engineering. He began to practice karate in 1969 and for all his DAN grading Taiji Kase had examined him. During a 15 years period from 1974 he was a member of the national team of Former Yugoslavia and took part in 3 World, 11 European Championships and 2 World Cups, while winning 15 medals.

He was a two-time European kata champion in 1981 and 1982. He took second place three times in 1979, 1983, 1984, and twice third place 1977, 1978. As a member of the kumite team he won two silver medals in 1979 and 1982, and two bronze medals as a member of kata team 1981 and 1986. He also won two bronze medals during the World Championships with the national kata team in 1980 and 1986, and individually he was 5th in 1980 and 7th in 1983.

In Yugoslavia he won 22 medals. He was eight times the kata champion and took second place four times in the same category. In his personal weight category, kumite, he was a two-time champion and took second place twice. Furthermore, in the open category kumite he took second place once and twice third.

In his native Serbia he was Champion in the open category kumite, and more than 10 times kata champion consecutively.