David K. Ryugo is Emeritus Fellow at the Garvan Institute and University of New South Wales, Sydney, Australia. He completed his PhD studies in Psychobiology at the University of California, Irvine (1976), and has been awarded The Faculty Prize for Excellence in Teaching, Harvard Medical School 1986; Professor Emeritus, Johns Hopkins University School of Medicine 2011; and the UNSW Supervisory Award 2016, 2018. He has led projects studying structure, function, and plasticity in the auditory nervous system and has published more than 100 papers in peer-reviewed journals. His teaching disciplines include Basic Human Neuroanatomy and Auditory Neuroscience, and his research interests include auditory circuits and neural plasticity.