Mark Gustina graduated from the University of Hawaii with his master's degree in audiology. There he studied the most advanced technologies available today. He honed his skills working with audiologists at Tripler Army hospital before he moved from Hawaii to Pittsburgh. He is certified by the American Speech and Hearing Association. He is dedicated to being at the forefront of the advancements that are made in the hearing aid industry. His expertise with digital hearing aids separates him from the other professionals in the field.