Kazma (born October 1, 1982) is a Japanese professional wrestler signed to World Wrestling Entertainment (WWE), where he competes at their developmental territory FCW under the ring name Sakamoto. He formerly competed for Kaientai Dojo in Japan where he is a former one time Strongest-K Champion and a former two time Strongest-K Tag Team Champion alongside Ryota Chikuzen and Kengo Mashimo.
Kazma was trained by Taka Michinoku at his Kaientai Dojo wrestling school and made his debut for the promotion on May 3, 2003. In 2005, under the guidance of former Far East Connection manager, 296, Kazma formed a stable along with Kengo Mashimo called Kinnoutou. They started to dominate, eventually taking in Ryota Chikuzen and Kunio Toshima as well. On February 27, 2005, he and Mashimo won the first Strongest-K Tag Team tournament and were crowned the first ever Strongest-K Tag Team champions, the two dominating the tag team scene in K-Dojo as they also won the UWA/UWF Intercontinental Tag Team Championship, absorbing it into the Strongest-K Tag Team title.