Ryozo Kato (加藤 良三, Katō Ryōzō; born September 13, 1941) is a Japanese lawyer and diplomat who served as the Japanese Ambassador to the United States from 2001 to 2008, and as the Commissioner of Nippon Professional Baseball from 2008 to 2013.
Source: “Ryōzō Katō”, English Wikipedia (CC BY-SA 4.0), excerpt