Meet Our Team


Corrie E. Roehm, MD, FAAP, FACS: Director of THC, Ear, Nose and Throat and Cochlear Implant Surgeon

Robert A. Williamson, MD: Ear, Nose and Throat Cochlear Implant Surgeon


Amy Gensler, MA, CCC-A, LSLS Cert. AVT: CI Audiologist and Auditory Verbal Therapist, Clinical Care Coordinator

Lisa Copeland, Au.D., CCC-A: CI Audiologist

Elizabeth Preston, Au.D., CCC-A: Communications Manager, CI Audiologist

Stephanie Tchen, Au.D., CCC-A:  Lead CI Audiologist

Speech Therapists

Laura Beattie, M.S., CCC-SLP: Speech-Language Pathologist

Jessica Egred M.A., CCC-SLP: Speech-Language Pathologist

Ashley Fairleigh, M.S., CCC-SLP: Speech-Language Pathologist

Cheryl Kraemer, M.A., CCC-SLP, LSLS Cert. AVEd: Lead Speech-Language Pathologist and Auditory-Verbal Educator

Lyna Sullivan, M.S. CCC-SLP: Speech Language Pathologist


audrey cortesi

Audrey Cortesi, Psy.D.: Pediatric Psychologist

sarah Schoffstall

Sarah J. Schoffstall, PhD, NCSP: Pediatric Psychologist

Support Staff

Sheyla Ortuno, R.N.: Nurse to Dr. Roehm

Margarita Gamez, M.A.: Medical Assistant to Dr. Williamson

Sandia Naidoo-dwarka, L.M.S.W.: Social Worker