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Owner, Voice Specialist,Therapist, and Speaker

Lori L. Sonnenberg is a Licensed Speech-Language Pathologist, Clinical Voice Specialist, and Singing Voice Specialist. In her clinical work, she combines her passion for treating injured voices with her extensive background as a singer and voice teacher. As a voice teacher she uses her unique background to help singers of all ages, styles and genres overcome vocal difficulties and develop the voice to its full potential. She has achieved remarkable results in working with her own students and patients as well as in assisting some of the country’s most respected voice teachers and clinicians. This blend of talents and skills makes Ms. Sonnenberg a formidable asset to the clinical and singing voice worlds.


In her voice clinic, Ms. Sonnenberg works exclusively with voice and breathing disorders and specializes in muscle tension dysphonia related disorders, recovery from voice injuries, professional voice care and support, post-operative voice recovery, and problematic technical voice issues for singers. After a successful and rewarding career as a team member at a busy voice center and laryngology practice, she is now the Owner and CEO of Lori L. Sonnenberg, Ltd. As a voice educator and professional speaker, Ms. Sonnenberg is a frequent guest lecturer and clinician for music schools, vocal departments and professional organizations supporting the vocal health and wellness of singers, voice teachers and music/choral educators. She lectures at the state, local, regional and national levels with a special focus on helping vocalists and educators manage their busy vocal lifestyles. She has developed a highly successful method for helping her patients and students detect and prevent vocal injuries with long-term results.


Ms. Sonnenberg is a certified member of the American Speech and Hearing Association (ASHA) holding the Certificate of Clinical Competency (CCC-SLP) and is a member of the National Association of Teachers of Singing (NATS) and The Voice Foundation. She is a former Speech and Voice Pathologist with Bastian Voice Institute in Downers Grove, IL, and has been teaching private voice  since 1998.


Bachelor of Music in Vocal Performance from Centenary College of Louisiana 1998.

Master of Music in Vocal Performance and Pedagogy from The Pennsylvania State University 2000.

Master of Arts in Speech Pathology and Communication Sciences from The University of North Carolina Greensboro 2005


Voice Specialist and Therapist

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Leah D. Posner is a Licensed Speech-Language Pathologist and Clinical Voice Specialist. Ms. Posner received her Bachelor of Arts in Music Performance from the University of Illinois at Chicago. Her journey into the field of speech and language pathology began after a career as a vocal artist where she performed at well-known venues such as House of Blues and Metro in Chicago, as well as Bitter End in New York City and Red Rocks Amphitheater in Morrison, Colorado. Inspired by her passion for helping others and her interest in vocal pathology, Ms. Posner pursued a graduate degree in Speech Language and Learning at Northwestern University in Evanston, Illinois.

After graduation, Ms. Posner spent her early clinical years working with birth to three-year-old children and their families in Early Intervention where she assisted them in meeting developmental milestones in speech and language development with continued work in the public schools of North Suburban Chicago. In her current clinical work, she uses her experience as a professional vocalist and her expertise as a speech and vocal pathologist to assist individuals of all ages tackle vocal challenges and unlock their full vocal potential. 

Ms. Posner is an active member of the American Speech and Hearing Association (ASHA) and holds the Certificate of Clinical Competency (CCC-SLP). She continues to use her own voice singing in popular music venues and enjoys writing songs, reading books and spending time with friends and family.


Bachelor of Arts in Music Performance from University of Illinois at Chicago 2013.

Master of Science in Speech Language and Learning from Northwestern University 2019.

Openings Available Now

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