is the bass player and backing vocalist of the Japanese rock band Asian Kung-Fu Generation.
Yamada met fellow band members Masafumi Gotoh and Kensuke Kita while attending a music club of Kanto Gakuin University. The three formed Asian Kung-Fu Generation in 1996, with drummer Kiyoshi Ijichi joining the band shortly after.
While Gotoh is the main songwriter of the band, Yamada composed for songs such as After Dark, , Siren and Sore dewa, Mata Ashita.
Yamada also contributes to other musicians' projects. In 2014, he arranged a song for Rina Katahira, "HIGH FIVE" and performed together with his bandmate Kita. In 2021, he composed and arranged Nacherry's debut single "Fortune Teller" and performed together with his bandmate Ijichi.
Yamada has a degree in literature and his favourite bands are The Beatles, Oasis, The Smashing Pumpkins and Pet Shop Boys.