Dr. Koehnke received her B.S. in Communication Disorders from the University of Massachusetts, her M.A. in Audiology from the State University of New York in Geneseo, and her Ph.D. in Communication Sciences from the University of Connecticut. She then completed a three year NIH post-doctoral fellowship with the Sensory Communication group in the Research Laboratory of Electronics at Massachusetts Institute of Technology. In 1998 she was awarded a National Research Council Senior Research Fellowship from NSF to conduct spatial hearing research at the US Army Research Laboratory in Aberdeen, MD.

Dr. Koehnke has served on the editorial board of the Ear & Hearing Journal for more than 12 years. She is also a consultant to the Educational Testing Services in Princeton, NJ. She teaches courses in diagnostic audiology, scientific and professional writing, hearing science, and psychoacoustics.

A number of her projects have been supported by research grants Dr. Koehnke has obtained from the National Institutes of Health, the Deafness Research Foundation and the American Hearing Research Foundation. She has numerous publications in professional journals describing her research.