Jonathan Edward Stephen "J. J." Jeczalik (/jɛnˈtʃɑːlɪk/; born 11 May 1955) is an electronic musician/record producer, co-founder of the electronic music group the Art of Noise. He taught IT at Oxford High School until his retirement in 2013.
Jeczalik has worked with several artists and bands including: Frankie Goes to Hollywood, Yes, Stephen Duffy, Dollar, Pet Shop Boys and ABC. He won a Grammy Award for Art Of Noise's cover of Peter Gunn.