is one of the few psychologists in the USA who holds two psychology Ph.D. degrees from prestigious academic institutions (University of Massachusetts at Amherst and Virginia Polytechnic Institute and State University). He considers himself a practitioner, academic, and researcher. It is important to understand that some psychologists are inherently better than others at conducting and completing psychological evaluations. Those with academic and research backgrounds, such as Dr. Carvajal, are particularly more skillful in this area than those with practitioner backgrounds.

Dr. Carvajal particularly specializes in the detection of Neurodevelopmental Disorders, including Autism Spectrum Disorder, in children between the ages of 2 years and 5 months and 3 years old.