Organization Motion Imaging

Handel and Haydn Society of Boston (Board of Governors)

Audio Engineering Society

British Kinematograph Sound and Television Society

IEEE

Society of Motion Picture and Television Engineers

World Technology Network

IEC TC- 100 Audio, Video, and Audio-Visual Systems (chairman)

Audio Recording and Reproduction Technology of the SMPTE committee (chairman)

Audio Engineering Society Task Force on High Capacity Audio (co-chaired)

Surround Professional magazine (founding editor)

Journal of the Audio Engineering Society (associate editor)