Shinsaku Hamada was born in Tokyo, the second son of Shōji Hamada, in 1929. In 1930, he moved with his family to the town of Mashiko in Tochigi Prefecture, where he currently resides. He and his son, Tomoo, work alongside each other in the original compound established by his father. Shinsaku Hamada studied Industrial Art at Waseda University in Tokyo. Starting in 1970, he began to exhibit around the world and take over direction of the Hamada compound. In 1978, Shinsaku Hamada was named Director of the Mashiko Sankōkan Museum.