Tore Østby (born 1972) is a founder, guitarist, producer, and songwriter for Norwegian progressive metal band Conception. After the band stopped playing on a permanent basis (the band was active from 1989 to 1998 and went on a 10-year hiatus) he, along with John Macaluso and Jørn Lande formed progressive metal band Ark. Tore is currently working as a senior advisor at GramArt, an organization established in 1989 to protect the recording artists’ intellectual property rights, other legal rights, and professional interests.