Meet the Grabscheid Voice and Swallowing Center Team
Mark S. Courey, MD
Professor and Chief of Laryngology, Director of the Grabscheid Voice and Swallowing Center of Mount Sinai
As the first otolaryngologist in the United States to complete formal fellowship training in laryngology, Dr. Courey has focused his practice on the management of patients with voice and swallowing difficulties since 1992. He is recognized nationally and internationally for his leadership in developing Laryngology as a subspecialty and has been instrumental in training more than 50 national and international laryngologists. Dr. Courey has extensive experience in the requirements of vocal performance. As an Adjunct Professor at the Belmont School of Music, Dr. Courey studied vocal performance and taught Anatomy and Physiology of Voice to vocal performance majors, master’s students in vocal pedagogy and teachers. Throughout his career Courey has cared for many commercial vocal performers and has served as the physician to the Nashville Opera and the San Francisco Opera. In addition, to pioneering and developing the modern techniques of laryngeal microsurgery, Dr. Courey is known for his promotion of the interdisciplinary team approach to the management of patients and his desire to help patients avoid surgery whenever possible.
Diana N. Kirke, MD, MPhil
Assistant Professor of Otolaryngology – Head and Neck Surgery, Laryngologist, Head and Neck Surgeon
Diana N. Kirke, MD, MPhil, specializes in the treatment of airway, voice and swallowing disorders. After completing her Otolaryngology Residency via the Royal Australasian College of Surgeons in Adelaide, Australia, she relocated to the U.S. to complete a Postdoctoral Research Fellowship and Masters in Neurolaryngology at Icahn School of Medicine at Mount Sinai. This was then followed by a Head and Neck Microvascular Fellowship at Boston University, and then a Laryngology Fellowship at both the New York Center for Voice and Swallowing Disorders and the Sean Parker Institute for the Voice.
Matthew C. Mori, MD
Assistant Professor of Otolaryngology-Head and Neck Surgery, Laryngologist
Matthew C. Mori, MD specializes in the treatment of airway, voice, and swallowing disorders. He received his MD from Stanford University and completed his residency in the Harvard combined program in Otolaryngology-Head and Neck Surgery. Subsequently he completed a fellowship in Laryngology and Care of the Professional Voice at the Vanderbilt Voice Center in Nashville, TN, training with some of the preeminent leaders in the field. Prior to medical school, he worked in the University of California of San Francisco Department of Neurosurgery investigating treatment of movement disorders with deep brain stimulation. Dr. Mori also worked extensively as a professional singer, performing as a soloist in musical theatre and opera, including singing in the San Francisco Symphony Chorus and Vancouver Opera Chorus.
Leanne Goldberg, MS, CCC-SLP
Ms. Goldberg is an experienced clinician who specializes in the evaluation and treatment of the full range of voice, swallowing, and upper airway disorders. She earned her MS at Columbia University in 2005, and completed her fellowship at Mount Sinai. In 2013, she joined the Grabscheid Voice and Swallowing Center, where she works extensively with performers, professional voice users, transgender and gender diverse individuals. She continues as a recognized leader in the evaluation and management of patients with swallowing disorders. Ms. Goldberg has developed a novel behavioral based program to treat patients with chronic cough, which typically yields successful outcomes after only a few visits. Her work is presented nationally and her research in the field is ongoing. Additionally, her passion for mentoring early career Speech-Language Pathologists has resulted in a competitive clinical fellowship program.
Sarah Brown, MS, CCC-SLP
Ms. Brown is a well-rounded clinician who evaluates and treats the full range of voice, swallowing, and upper airway disorders. A trained operatic singer, Ms. Brown earned a BM in vocal performance at Chapman University in 2016, followed by an MS in Speech-Language Pathology from Northwestern University in 2018. She learned she could use her singing background, combined with her passion to help others as an SLP specializing in voice therapy. Upon completing a clinical fellowship year at the Grabscheid Voice and Swallowing Center of Mount Sinai, she joined the team full time in 2019. Ms. Brown is skilled in performing instrumental evaluations of swallowing disorders. She has presented multiple educational lectures on various topics and has contributed to ongoing research in the areas of transgender voice, neurogenic laryngeal hypersensitivity (chronic cough), and dysphagia. Ms. Brown is certified by the American Speech Language Hearing Association and holds her certificate of clinical competence.
Devon Clark, MS CCC-SLP
Bilingual (English/Spanish) Speech Language Pathologist
Ms. Clark specializes in the evaluation and treatment of voice, resonance, and swallowing/feeding disorders in the pediatric population. While working at NYEE, Devon has helped develop and expand the craniofacial team and pediatric feeding program. She also has extensive experience working with adult patients and performing videostroboscopy and modified barium swallow studies. Devon received her BA from the University of Delaware and her MS and bilingual extension certificate from Adelphi University. She completed her internship at Long Island Jewish Medical Center and gained extensive experience working in acute and subacute care before joining the team at NYEE. Devon is certified by the American Speech Language Hearing Association and holds her certificate of clinical competence. Devon is also certified in vital stim therapy and is fluent in Spanish.
Karen Keung-Chan, MS CCC-SLP
Senior Bilingual Speech-Language Pathologist
Ms. Keung-Chan specializes in evaluation and treatment of voice and swallowing disorders and provides vocal rehabilitation in English, Cantonese, and Mandarin. She has worked extensively with professional voice users and patients post management of head and neck cancer. Karen provides training and support for use of alaryngeal voice restoration devices/prosthetics. She is trained in fiberoptic endoscopic evaluation of swallow (FEES), modified barium swallow study (MBS), myofascial release for dysphagia management, LSVT®, Lessac-Madsen Resonant Voice Therapy (LMRVT), and Casper-Stone Confidential Flow Therapy (CSCFT). Ms. Keung-Chan has completed Estill Voice Training ™ (Levels 1 and 2). After receiving her BS in Speech Language Pathology from New York University, she completed her MS in Speech Language Pathology from Teachers College, Columbia University. She is certified by the American Speech and Hearing Association, and has her clinical certificate of competency.
Tamar Kotz, MS CCC-SLP
Head and Neck Cancer Speech Pathologist
Tamar works as the Head and Neck Cancer Speech Pathologist for the faculty practice in Otolaryngology - Head and Neck Surgery at the Mount Sinai Hospital. She has extensive expertise working with patients treated for head and neck cancer, including those who have undergone total laryngectomy, oral cancer surgery or chemoradiation as primary treatment. Tamar is particularly skilled in the management of voice prosthesis and humidification for patients with total laryngectomy and trachea-esophageal puncture (TEP) voice restoration. Tamar also conducts clinical and instrumental assessment of swallowing including both the modified barium swallow (MBS) procedure and the flexible endoscopic evaluation of swallowing (FEES). Her research has focused on the changes in swallowing function after chemoradiation in patients with advanced stage squamous cell carcinoma and the effects of intensive prophylactic swallowing exercises on swallowing outcomes in this patient population.
Vera Leyko, MS, CCC-SLP
Senior Bilingual Speech Language Pathologist
Ms. Leyko specializes in the evaluation and treatment of voice and swallowing disorders. She has extensive experience treating professional voice. Ms. Leyko also works in voice restoration following management of head and neck cancer, providing training and support for use of alaryngeal communication. Ms. Leyko is fluent in Russian and provides evaluation and treatment in both English and Russian. Ms. Leyko is trained in fiberoptic endoscopic evaluation of swallow (FEES), modified barium swallow (MBS), videostroboscopy, LSVT®, and Lessac-Madsen Resonant Voice Therapy (LMRVT). Ms. Leyko received a BS in Speech Language Pathology from Hofstra University and MS in Speech Language Pathology from Hunter College, CUNY. She holds a certificate of clinical competency from the American Speech and Hearing Association. Ms. Leyko has been at the New York Eye and Ear Infirmary of Mount Sinai since 2005, where she had the opportunity to train, collaborate, and work closely with the leading speech pathologists, voice scientists, and laryngologists in the field.
Sarah Sietsema, MS, CCC-SLP
Senior Bilingual Speech Language Pathologist
Ms. Sietsemais a Senior Bilingual Speech Language Pathologist specializing in the evaluation and treatment of voice and swallowing disorders. She is proficient in treating professional/transgender voice, and PVFM/chronic cough, as well as voice prosthesis management. Mrs. Sietsema is trained in videostroboscopy, FEES, MBS evaluations, and LSVT. She is certified by the American Speech Language Hearing Association and holds the Certificate of Clinical Competence. After receiving a BA in Economics from Wesleyan and her MS degree in Speech Language Pathology from Columbia University, she completed an internship at Mount Sinai and her fellowship at the New York Eye and Ear Infirmary, where she has been working since 2005. Sarah is proficient in Spanish and Thai.