Dr. Quigley has professional experiences in many capacities from direct care to administration across many different entities. He has had opportunities to manage a federally funded research grant; help develop county level mental health service systems for adults and children; help develop state regulatory guidelines for autism services; and direct the development of clinical and training practices. These experiences have provided a strong foundation for understanding service development, regulatory requirements, scope of competence issues, resource allocation, and service delivery.

Dr. Quigley has supported the profession through service on editorial review boards; publishing research; being active with regional and national service groups; teaching at multiple universities; and volunteering as a subject matter expert for the Behavior Analyst Certification Board (BACB). Dr Quigley is Adjunct Faculty for Graduate and Professional Studies at Endicott College.

Dr. Quigley earned his doctorate degree in Behavior Analysis at Western Michigan University. He completed a post-doctoral psychology fellowship with the University of New Mexico Medical Group. The fellowship provided Dr. Quigley an opportunity to conduct diagnostic evaluations in an autism spectrum disorder (ASD) clinic, support families and individuals with ASD, and help build capacity for behavior analytic providers.