Jo is a composer, producer and bass player, co-founder of WW records and Artistic Director of Drum Works. His composition credits range from commissions for the BBC to collaborations with Choreographer Tom Dale and Brian Eno. He works internationally as a tutor of cross arts/cultural collaboration, specialising in live electronic music, and has helped to establish courses in Japan, Singapore and the Netherlands as well as tutoring in collaborative practice and electronic music at the Guildhall School of Music & Drama and Central St. Martins.

Jo releases his own music under the name Old Man Diode on WW Records, with contemporary music ensemble Jetsam and has an extensive production discography on labels including Gold Panda, Test Card Recordings and Clay Pipe Music. His installation work includes collaborations at the Barbican Centre, Bath International Festival, the Architecture Institute and Aldeburgh Festival.