Voice Center Team

Z. Mike Yang, M.D |
210- 450-0700

Zao Mike Yang, MD is a fellowship-trained laryngologist with clinical and research interests in voice, airway, and swallowing disorders. He is the director of the UT Health San Antonio Voice Center and the Brian N. Sheth Distinguished Chair for Voice and Airway Disorders. After finishing medical school at Washington University in Saint Louis and residency in otolaryngology at Louisiana State University, he went on to complete fellowship in laryngology with Dr. Gregory Postma at the Medical College of Georgia. He has published numerous manuscripts in peer-reviewed journals, textbook chapters, and regularly presents original research at national meetings and conferences.


Rachelle Speer, SLP-CCC | Email

Voice Pathologist


Rachelle Speer received her undergraduate degree from the University of Texas at San Antonio and graduate degree in Communication Sciences and Disorders from Our Lady of the Lake University. Rachelle joined the interdisciplinary team at UT Health Voice Center to intensify her clinical focus in the treatment of voice and swallowing disorders, including head and neck cancer rehabilitation. She holds a Certificate of Clinical Competence in Speech Language Pathology (CCC-SLP) from the American Speech -Language- Hearing Association (ASHA).