Daisuke Sasaki is a Japanese professional wrestler. He is signed to DDT Pro-Wrestling (DDT), where is a former two-time DDT Universal Champion. In addition to that, in DDT, he is also a former three-time KO-D Openweight Champion, one-time DDT Extreme Champion, six-time KO-D Tag Team Champion, three-time KO-D 6-Man Tag Team Champion and a three-time Ironman Heavymetalweight Champion. Sasaki has also made several appearances for New Japan Pro-Wrestling (NJPW), working in the promotion's junior heavyweight division.

DDT Pro-Wrestling is a Japanese professional wrestling promotion based in Shinjuku, Tokyo. Its name stands for Dramatic Dream Team, which was the promotion's official name from 1997 to 2004. Founded in March 1997 by Shintaro Muto, the promotion was eventually bought and managed by Shoichi Ichimiya until December 2005, when Sanshiro Takagi took over as the new president. In 2017, DDT was sold to CyberAgent. Takagi retained his position, while Takahiro Yamauchi took over as the new DDT director.