DepartmentCommunication Sciences & Disorders
Biola AffiliationsEmployee, Faculty



  • Ph.D., Texas Tech University Health Sciences Center
  • M.S., Loma Linda University
  • B.A., Biola University


Diana Petroi is joining the Communication Sciences and Disorders faculty as part of the recently launched master’s program. She is a clinician-researcher and professor, with areas of expertise in neurologically-based motor speech and language disorders, cognitive-communicative impairments, and dysphagia. Her clinical and research interests include differential diagnosis and understanding brain-behavior relationships of motor speech/language disorders, comparing clinical findings across various domains, and collaborating across disciplines for teaching, research, and quality care purposes. She earned her bachelor of science degree in communication disorders from Biola University, her master of science degree in speech-language pathology from Loma Linda University, and her doctorate degree in communication sciences and disorders from Texas Tech University Health Sciences Center. She also completed a postdoctoral fellowship in the Department of Neurology, Division of Speech Pathology, at Mayo Clinic in Rochester, Minn. Petroi’s clinical practice has focused on medical speech-language pathology, with her providing direct patient care to persons with medical issues resulting in various communication and swallowing disorders. She also has experience working with speech-language pathology and medical students and residents, being part of multidisciplinary care teams, serving on national professional committees, and presenting at local, state, and national meetings and conferences.

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