Rank in Judo are ranked in ascending numerical order. The ninth ("kudan") and tenth degree black belt ("jūdan") and, theoretically, those higher, have no formal requirements. Only 15 individuals have been promoted to the rank of Kōdōkan 10th dan. On January 6, 2006, three individuals were promoted to this rank simultaneously: Daigo Toshirō, Ichirō Abe, and Ōsawa Yoshimi. This is the most ever at the same time, and the first in 22 years. No one has ever been promoted to a rank higher than 10th "dan", but in theory the Judo rank system is not limited to 10 degrees of black belt. The
Jim Webb (judo) in Japan. He was a long-time student of 9th Dan Vince Tamura. Dr. Webb was educated at West Point, the University of Dallas, MIT, Southern Methodist University, and the University of Maryland. He subsequently provided leadership to such prominent consulting firms as Price Waterhouse, Deloitte & Touche and A.T. Kearney. Prior to his strategy consulting career, he served as a Special Forces commanding officer. He is currently a professor and program director at Southern Methodist University. Jim Webb (judo) James R. Webb is an American businessman who is a former President of the United States Judo Association elected in 2006.