This book synthesizes current knowledge about voice dysfunctions associated with various disorders.

Abdul-Latif Hamdan, MD, EMBA, MPH, FACS is currently a Professor of Otolaryngology, Head and Neck Surgery, Head of the Division of Laryngology and Director of "Hamdan Voice Unit" at the American University of Beirut Medical Center AUBMC. He has completed his medical education and residency training in Otolaryngology Head and Neck Surgery at AUBMC, following which he has completed a fellowship in Laryngology at Vanderbilt University Medical Center. Dr. Hamdan has also earned a Master degree in Health Science, Master degree in Hospital administration, Executive Master degree in Business Administration and a Diploma in Strategy and Innovation from Oxford University. He is the founder of the "Hamdan Voice Unit" at AUBMC, the "Lebanese Voice Association" in Lebanon, the "Hamdan International Award" at the Voice Foundation, and the Voice Foundation Lebanon Chapter. He is a member of the Voice Foundation Board of Directors and Advisory Board, a member of the American College of Surgeons, member of International Association of Phonosurgeons, in addition to being a corresponding fellow of the American Laryngological Association.****************************Robert T. Sataloff, MD, DMA, FACS, is professor and chairman in the Department of Otolaryngology-Head and Neck Surgery and senior associate dean for Clinical Academic Specialties at Drexel University College of Medicine. He is also adjunct professor in the Department of Otolaryngology-Head and Neck Surgery at Thomas Jefferson University, the University of Pennsylvania, and Temple University; as well as on the faculty of the Academy of Vocal Arts. Dr. Sataloff is a professional singer and singing teacher and served as conductor of the Thomas Jefferson University Choir for nearly four decades. He holds an undergraduate degree in Music Theory and Composition from Haverford College, medical degree from Jefferson Medical College-Thomas Jefferson University, and doctor of musical arts in voice performance from Combs College of Music. He completed his residency in otolaryngology-head and neck surgery and fellowship in otology, neurotology and skull base surgery at the University of Michigan. Dr. Sataloff is chairman of the boards of directors of the Voice Foundation and the American Institute for Voice and Ear Research. He is editor-in-chief of the Journal of Voice and Ear, Nose and Throat Journal, associate editor of the Journal of Singing, and on the editorial boards of numerous otolaryngology journals. He has written more than 700 publications, including 40 books. His medical practice is limited to care of the professional voice and otology/neurotology/skull base surgery.******************Mary J. Hawkshaw, BSN, RN, CORLN, has been associated with Dr. Robert Sataloff, Philadelphia Ear, Nose & Throat Associates and the American Institute for Voice & Ear Research (AIVER) since 1986. She has served as Secretary/Treasurer of AIVER since 1988 and was named Executive Director of AIVER in January 2000. She has served on the Board of Directors of the Voice Foundation since 1990. Ms. Hawkshaw graduated from Shadyside Hospital School of Nursing in Pittsburgh, Pennsylvania and received a Bachelor of Science degree in Nursing from Thomas Jefferson University in Philadelphia. In collaboration with Dr. Sataloff, she has co-authored more than 50 book chapters, 100 articles and 4 textbooks. She is on the Editorial Board of the Journal of Voice, the Ear, Nose and Throat Journal, and the Journal of the Society of Otorhinolaryngology and Head-Neck Nurses (SOHN). She has been an active member of the Society of Otorhinolaryngology and Head - Neck Nurses since 1998. She is recognized nationally and internationally for her extensive involvement in the sub-specialty of care of the professional voice.