Known as a pioneer in judo, Kyokushin Karate and mixed martial arts, he was also the coach of two-time Olympic champion Willem Ruska.
Known as a pioneer in variety of martial arts, Bluming holds 9th dan in judo, 10th dan in Kyokushin Karate and 10th dan in Hapkido. He was also the coach of two-time Olympic champion Willem Ruska.