David Sykes, MA, is the co-founder and Executive Chair of the Acoustics Research Council (ARC), a national non-profit formed in 2004 to research, develop and promulgate evidence-based acoustical criteria for the Faculty Guidelines Institute and the American Hospital Association. ARC’s criteria provide a regulatory foundation for hospitals, outpatient facilities and residential care communities across the USA and provide the reference standard for USGBC LEED-HC, and for 87 countries outside the USA. Mr. Sykes is lead author of “Sound & Vibration” (Springer-Verlag), co-author of “Sound Matters” (US-GSA) (pdf), and a contributor to the National Academy of Engineering report, “Technology for a Quieter America.”