Arthur Popper, Past Senate Chair, has been Professor of Biology since 1987 when he joined the University as Chair of the department (then Zoology). Since stepping down as chair, Dr. Popper has served as director of the Neuroscience and Cognitive Science (NACS) program and as Co-Director of the Center for Comparative and Evolutionary Biology of Hearing (C-CEBH). He just completed a second term as chair of the campus Institutional Animal Care and Use Committee (IACUC). He was elected twice to the Senate Executive Committee and during that time served on a number of different committees, and has chaired the Senate Programs, Curricula, and Courses Committee (PCC). Dr. Popper has an active research laboratory (see www.life.umd.edu/biology/popperlab) funded by the National Institute of Health and the Office of Naval Research. Popper's lab studies the structure and function of the auditory system, and its evolution.Outside of campus, Dr. Popper serves as co-chair of the Publications Committee of the Association for Research in Otolaryngology and is an elected Council Delegate for the American Association for the Advancement of Science (AAAS). He is a fellow of AAAS and the Acoustical Society of Ameica. Dr. Popper is also editor of a 20+ volume set of books, the Springer Handbook of Auditory Research.