Susumu Chiba (千葉 進歩, Chiba Susumu) is a Japanese voice actor. He is contracted with Office Osawa Co. Ltd. Progress is an alias of Chiba Susumu for adult games and anime.
Known For: Acting
Birthday: 1970-09-13
Place of Birth: Kanagawa, Japan
Also Known As: Progress / プログレス, 千叶进步, 千葉 進歩, Chiba Susumu