From left to right: Leslie W. Guinn, Marci Daniels Rosenberg,
Norman D. Hogikyan, Freda Herseth, and Marc J. Haxer

Norman D. Hogikyan, M.D., F.A.C.S.
Director
Associate Professor of Otolaryngology
Associate Professor of Music

Dr. Hogikyan joined the U-M Health System in 1995 soon after completing his residency in Otolaryngology-Head and Neck Surgery, and a fellowship in Laryngology and Voice Disorders. In 1999, he was also appointed to the U-M School of Music faculty, Division of Vocal Arts. A nationally recognized authority in the diagnosis and treatment of voice disorders, Dr. Hogikyan has published dozens of manuscripts and book chapters in this field, and has served on the Speech, Voice and Swallowing Disorders Committee of the American Academy of Otolaryngology-Head and Neck Surgery. He has been director of the Vocal Health Center since its establishment in 1996.

Marc J. Haxer, M.A., CCC-SLP
Senior Speech & Language Pathologist

Mr. Haxer is a senior speech and language pathologist in the UMHS Department of Otolaryngology-Head and Neck Surgery. His undergraduate and graduate training was completed at Central Michigan University. Active in the Michigan Speech-Language-Hearing Association, he has held the positions of association secretary, vice-president for programs, and president. Mr. Haxer has lectured extensively at the local, state and national levels, and has authored articles on voice disorders. He joined the Department of Otolaryngology in 1988.

Leslie W. Guinn, B.M.
Professor Emeritus, School of Music
Voice Training Specialist

Bass baritone Leslie Guinn joined the U-M School of Music faculty in 1971, where he later served as director of the Division of Vocal Arts. Professor Emeritus Guinn has appeared with the major American symphony orchestras and summer festivals. He also has sung leading operatic roles throughout Europe, and is a prize winning recording artist. For over 25 years, Mr. Guinn has collaborated with otolaryngologists to rehabilitate injured voices.

Marci Daniels Rosenberg, M.S., CCC-SLP
Speech & Language Pathologist

Soprano Marci Daniels Rosenberg is a speech pathologist in the UMHS Department of Otolaryngology-Head & Neck Surgery. After completing her undergraduate training in classical voice performance and speech language pathology, she undertook a research fellowship in voice disorders at the National Institute on Deafness and Other Communication Disorders. She then completed her Masters degree in speech pathology at Bowling Green State University, and joined the UMHS in 2002.

Freda A. Herseth, M.M., D.M.
Chair, Voice Department, School of Music
Voice Training Specialist

Mezzo-soprano Freda Herseth is on the faculty of the U-M School of Music, where she serves as chair of the Voice Department. Ms. Herseth has sung with opera theaters, orchestras, and festivals throughout Europe and the United States, where she has premiered works written for her voice. At U-M, she teaches voice and vocal pedagogy, and is dedicated to working with the injured voice.