Suematsu served as Communications Minister (1898) and Minister of the Interior in his father-in-law Ito Hirobumi's fourth cabinet, 1900-01.
Suematsu was influential in the founding of Moji port in 1889, approaching Shibusawa Eiichi for finance.
In 1904-5 Suematsu was sent by the Japanese cabinet to Europe to counteract anti-Japanese propaganda of the Yellow Peril variety and argue Japan's case in the Russo-Japanese War, much as Harvard-educated Kaneko Kentaro was doing at the request of Ito Hirobumi at the same time in the USA.
The Japanese politician and man of letters Suematsu Kenchō (末松 謙澄, September 30, 1855 - October 5, 1920) was born in the hamlet of Maeda in Buzen Province, now part of Yukuhashi city, Fukuoka prefecture.
Suematsu was elected to the Diet of Japan in 1890.
Suematsu's memorial stone is at Yukuhashi city, Fukuoka prefecture.