Our Research Team


Douglas Keefe, Ph.D. 

Douglas Keefe, Ph.D.(Physics), Senior Scientist

Dr. Keefe has an active program in hearing research, especially in rega​rds to auditory processing in the ear canal, middle ear and cochlea. He has expertise in acoustics, mechanics, signal processing and computer engine​ering, and has also published research on musical acoustics.​

Denis F. Fitzpatrick, Ph.D. 

Denis F. Fitzpatrick, Ph.D. (Biology),
​Research ​Computer Engineer III

​Dr. Fitzpatrick performs computer hardware and software maintenance, and computer programming tasks. He also performs maintenance and ​calibration of digital, microprocessor-based, and ​analog devices and equipment used in the clinical and research ​laboratories.