Hiroshi Arimori obtained Mater’s degree at Tokyo University of the Arts (the former Tokyo National University of Fine Arts and Music) in 1992 and furthered his study in Moscow. He studied under Toshiko Nogami, Yuzo Mizumoto, Hitoshi Kobayashi and Natalia Suslova. He received the Best Performing Award at the12th Chopin International Piano Competition in1990, Okayama Prefecture’s Art Award in 1991, the 4th prize at the 5th Sydney International Piano Competition of Australia in 1992 and a prize at the 10th International Tchaikovsky Competition in 1994.
From 1996 to 2000, he gave a series of concerts of Rachmaninov’s complete piano works, and in 2001, he succeeded the concert of Prokofiev’s complete piano sonatas. His energetic approach to Russian piano works has brought him high acclaim as an expert on Russian music. In 1995 and 2001, he performed with New Japan Philharmonic under the baton of Seiji Ozawa. He has appeared with leading conductors and domestic and foreign major orchestras, such as Japan Philharmonic Orchestra, Tokyo City Philharmonic Orchestra, Yomiuri Nippon Symphony Orchestra, Tokyo, The Kyushu Symphony Orchestra, Kansai Philharmonic Orchestra, Yamagata Symphony Orchestra, Sendai Philharmonic Orchestra, Kanagawa Philharmonic Orchestra, Tokyo Philharmonic Orchestra, Warsaw National Philharmonic Orchestra and Polish National Radio Symphony Orchestra. In 2004, he attended a concert tour of six countries and concerts in Japan as a member of Saito Kinen Orchestra conducted by Seiji Ozawa.
He has released 19CDs and most of them are recommended as the choicest
record. He is giving a series of recitals of Russian piano works at Tokyo
Bunka Kaikan (Treasure Box of Russian Music) and at Kuse Espace Hall (Genealogy
of Russian Pianism). Currently he is Professor of Tokyo University of the
Arts, Specially-Appointed Professor of J. F. Oberlin University and of
Osaka College of Music.