Stephen is a physician, author, musician and composer. He is the chief performer, arranger and studio engineer at Persona Digital Studio. As a child, he was immersed in classical music., studying the piano. Later, he played the trumpet in concert and dance bands. In the early 70s, he learned electronics by building synthesizers and experimented with psychoacoustics. His study of neuroscience integrated nicely with his study of electronic sound processing and sound processing in the brain.