Kurenniemi completed the majority of his instruments, electronic compositions and experimental films in the 1960s and 1970s. Between 1962 and 1974, he designed and constructed ten electronic instruments and studio devices when he was working as a volunteer assistant at the Department of Musicology at the University of Helsinki, and as designer at Digelius Electronics Finland Oy, founded in 1970. In addition to the Musicology Department, Kurenniemi also worked as assistant and senior designer at the Department of Theoretical Physics from 1962 to 1973. Kurenniemi earned a Bachelor of Science degree in 1968.