About John G. CasaliJohn G. Casali

PHONE: 540-231-5073
EMAIL: jcasali@exchange.vt.edu
519G Whittemore Hall
(MC 0118)
1185 Perry Street
Blacksburg, VA 24061

John Grado Endowed Professor

  • Director, Auditory Systems Laboratory
  • Certified Professional Ergonomist #222
  • CPE

Research Areas

CORE AREAS:  Human Factors Engineering, ergonomics, acoustics, human hearing (Responsible for procuring more than $13M in total funding support at Virginia Tech.)

SPECIALTY AREAS:  auditory situation awareness, auditory displays, auditory warnings, signal detection, hearing protection design and testing (NRR ratings, spectral attenuation, perceptual effects), speech communications in noise, vehicle simulation, driving and flight safety, product design, military ergonomics, intellectual property law, forensics and expert witness litigation support.


John G. Casali Professional Studies


  • Grado Chaired Professor of Industrial and Systems Engineering (ISE), Virginia Tech, 2002 – Present
  • Department Head and Grado Chaired Professor of ISE, Virginia Tech, 1996 – 2002
  • Interim Department Head and Professor of ISE, Virginia Tech, 7/1995 – 5/1996
  • Professor of ISE, Virginia Tech, 5/1991 – 7/1995
  • Associate Professor of Industrial Engineering and Operations Research, Virginia Tech, 5/1986 – 5/1991
  • Assistant Professor of Industrial Engineering and Operations Research, Virginia Tech, 9/1982 – 5/1986

**NOTE:  Founder and Director of Auditory Systems Laboratory during all of above appointments.**


  • Consulting Company Participation:  CTO of HEAR (Hearing, Ergonomics, and Acoustics Resources) LLC.
  • 1983 –  present: Consultant to over 60 U.S. and foreign companies and organizations in over 100 projects concerning acoustics and hearing protection, ergonomics, warning signal design, and operator displays, and as an expert witness or consultant on over 40 cases involving product design, industrial accidents, noise, and intellectual property-patent litigation.
  • 1973 – 1976: Preparation Plant Associate, Hawley Coal Mining Corp., Southern WV