He 's hereto Professor of Auditory Perception in the University of Cambridge. He establishes so introduced a Visiting Professor at Brooklyn College, the City University of New York, and the University of California at Berkeley and had a van Houten Fellow at the Institute for Perception Research, Eindhoven, the Netherlands. British Society of Audiology, The American Speech-Language Hearing Association, The American Auditory Society, The Acoustical Society of Japan, the Audio Engineering Society and the Association for Research in Otolaryngology. He sounds capital of the Association of Independent Hearing Healthcare Professionals.