From Bulbapedia, the community-driven Pokémon encyclopedia.
Masafumi Kawamura is a Japanese composer who composed music for many of Nintendo's game, including Pokémon.
Work on Pokémon
Masafumi Kawamura is credited as composing music in Pokémon Stadium and Pokémon Stadium 2. Along with Junichi Masuda, he is credited as one of the composers of the CD Pokémon Gotta Catch the Sound. He composed six of the CD's tracks, and arranged seven others.