Antonio Ysunza graduated from the medical school of the National University of Mexico in 1978. He completed a 3-year medical residency in Audiology, Speech Pathology and Neuro-Otology at the National Institute of Communication in Mexico City in 1984. After residency, Dr. Ysunza completed a fellowship at the Albert Einstein College of Medicine in New York City. During this fellowship he met and worked with often Dr. Shprintzen who had just recently published the first paper describing  velo-cardio-facial syndrome. After returning to Mexico City, Dr. Ysunza received a M. S. degree with emphasis in Speech and Hearing Sciences from the National University of Mexico in 1987. He then earned his Ph. D. degree with emphasis in Neuroscience from the National University of Mexico in 1992. Dr. Ysunza was a medical researcher at the Hospital Gea Gonzalez in Mexico City until 2012. At the present time he is a member of the biomedical staff of the Speech-Language Pathology department at William Beaumont Hospital in Royal Oak, Michigan. Dr. Ysunza has published over 100 scientific papers in peer-reviewed international journals, mainly focusing on craniofacial anomalies and has lectured all over the world. He has been especially interested in the diagnosis and treatment of resonance and speech disorders in patients with VCFS. He is fluent in English and Spanish. He also understands French, Italian and Portuguese. He has been Regional Director for Latin America for the Velo-Cardio-Facial Syndrome Educational Foundation, Inc. since 2003.