Marc Fagelson, BA, MS, PhD, is director of audiology and full professor at East Tennessee State University in Johnson City, Tennessee. He completed undergraduate and master's degrees at Columbia University in New York City and a doctorate at the University of Texas at Austin (1995). Dr. Fagelson has practiced as a clinical audiologist since 1991, and his work with military veterans suffering from tinnitus started in 2001. He has twenty-five articles and book chapters as well as more than seventy-five presentations at national and international meetings. Dr. Fagelson teaches a variety of audiology courses and focuses on research, clinical activity, and student training on patients whose tinnitus is complicated by psychological injury such as post-traumatic stress disorder.=========================================================================================David M. Baguley, BSc, MSc, MBA, PhD, is head of audiology and hearing implants at Cambridge University Hospitals, United Kingdom. He completed undergraduate and master's degrees at the University of Manchester and a doctorate at the University of Cambridge (2006). Dr. Baguley has more than 140 peer-reviewed publications, is a coauthor on the books Tinnitus: A Multidisciplinary Approach, Second Edition (Wiley-Blackwell, 2013) and Hyperacusis: Mechanisms, Diagnosis, and Therapies (Plural Publishing, 2007), and coedited the latest edition of Ballantyne's Deafness (Wiley-Blackwell, 2009). In 2010, Dr. Baguley coauthored a popular self-help book on tinnitus and hyperacusis, Living with Tinnitus and Hyperacusis (McKenna, Baguley, & McFerran; Sheldon Press). In 2006, Dr. Baguley received an International Award in Hearing from the American Academy of Audiology and has been awarded twice with the Shapiro Prize from the British Tinnitus Association for tinnitus research (2005, 2008). He is a visiting professor at Anglia Ruskin University, a fellow at Wolfson College, University of Cambridge, and is the president of the British Tinnitus Association. Dr. Baguley's clinical and research interests focus upon tinnitus and hyperacusis, with the aim of understanding these symptoms and designing and evaluating novel and innovative interventions.