Patrick McGreevy, Ph.D, BCBA-D

Dr. Patrick McGreevy is a Board Certified Behavior Analyst with over 30 years of experience with children and adults of all ages with developmental disabilities. Dr. McGreevy received B.S. and M.A. degrees from the University of Iowa and the Ph.D. degree in Education from Kansas University, where he was a student of Ogden R. Lindsley, who, in turn, was a student of B.F. Skinner. He was a special education teacher for eight years and served on the faculties of the University of Missouri-Kansas City, Louisiana State University, and the University of Central Florida. He is the author of Teaching and Learning in Plain English and eight journal articles, and is the founder of the Journal of Precision Teaching and Standard Celeration Charting. For the past 30 years, he has served as a functional life skills consultant to school districts, residential programs, and private schools in North America and Western Europe. In 2000, he was part of the first group of board certified behavior analysts. He directs a clinic in Orlando, FL and serves as an assistant professor in the Applied Behavior Analysis Program at the Florida Institute of Technology. He is the first author of Essential for Living, a new functional life skills curriculum, assessment, and professional practitioner’s handbook for children and adults with moderate-to-severe disabilities.


Troy A. Fry, M.S., BCBA

Troy Fry received his B.A. in Science and Mathematics from North Dakota State University and M.S. degree in Behavior Analysis and Therapy from Southern Illinois University, and is a Board Certified Behavior Analyst. For the past 22 years, Troy has worked with children and adults with developmental disabilities in public schools, private schools, centers, clinics, home-programs, hospitals, and residential programs in North America as a teacher, behavior analyst, senior clinician, consultant, and clinical director. He is the founder and clinical director of Behavior and Language Consultants in Minneapolis, MN and Chicago, IL. He is the second author of Essential for Living.


Colleen Cornwall, Ed.D., BCBA

Colleen Cornwall is a Board Certified Behavior Analyst with over fifteen years of experience. She holds a Bachelor of Science Degree in Emotional/Behavioral Disturbances, a Master of Science in Exceptional Student Education with an emphasis in Applied Behavior Analysis (ABA), and a Doctorate of Education in special education with an emphasis in functional life skills curriculum design. Colleen has worked as a teacher and a behavior analyst in a public school district. She has also provided consultation to school districts, private programs, and families in North America. She is the founder and director of the ABLE Academy and Applied Behavioral Learning Enterprises in Naples, FL. She is the third author of Essential for Living.


Janine Shapiro, M.S., CCC-SLP, BCBA

Janine Shapiro is a speech-language pathologist and behavior analyst at The Applied Behavior Center for Autism in Indianapolis, IN. She received an undergraduate degree in communication sciences and disorders from The University of Texas at Austin and a masters degree in speech-language pathology from the University of Arizona. Janine co-authored research concerning the efficacy of social therapy for children with high-functioning autism published in the Journal of Autism and Developmental Disorders and co-authored a chapter in Essential for Living. Her passion is applying behavior analytic principles and procedures to the science of speech-language pathology to produce optimal outcomes in patients with developmental disabilities.


Reva Fedigan, M.A., CCC-SLP

Reva Fedigan received B.A. and M.A. degrees from the University of Central Florida in Communicative Disorders. For the past 12 years she has provided behavioral speech and language therapy to children with autism and other developmental disabilities. She has worked in a school system and at Arnold Palmer Hospital for Women and Children, in Orlando, FL. She has been in private practice for the past 10 years in Orlando, working closely with behavior analysts. She is certified by the American Speech and Hearing Association.


A. Hunter Williams, M.S., BCBA

Hunter received a B.S. from the University of Central Florida in 2006 and an M.S. degree in Applied Behavior Analysis from the Florida Institute of Technology in 2010. He is a board certified behavior analyst with three years of experience with children with autism and other developmental disabilities in an early intervention program and with adults in residential settings. His experience includes teaching verbal behavior and managing intense problem behavior.