Kaiketsu Masateru (Japanese: 魁傑 將晃, born Teruyuki Nishimori; February 16, 1948 – May 18, 2014) was a Japanese sumo wrestler, who reached the second highest rank of ōzeki on two occasions. He also won two top division tournament championships. After his retirement in 1979 he became a coach under the name of Hanaregoma-oyakata and established Hanaregoma stable. He was also chairman of the Japan Sumo Association from 2010 to 2012.
Source: “Kaiketsu Masateru”, English Wikipedia (CC BY-SA 4.0), excerpt