Council Members

John McEachin


John McEachin, a psychologist and BCBA-D, has been providing behavioral treatment to individuals with autism for more than 40 years. He received his graduate training under Professor Ivar Lovaas at UCLA on the Young Autism Project. During his 11 years at UCLA, Dr. McEachin served in various roles including Clinic Supervisor, Research and Teaching Assistant, and Acting Director. His research has included the long-term follow-up study of young autistic children who received intensive behavioral treatment, which was published in 1993.

In 1994 he joined with Ron Leaf in forming Autism Partnership, which they co-direct. In 1999 they published A Work in Progress, a widely used behavioral treatment manual and curriculum for children with ASD. Dr. McEachin has lectured throughout the world and co-authored numerous books and research articles. He consults regularly to families, agencies, and school districts nationally and internationally, assisting in the development of treatment programs and providing training to parents, staff, and classroom personnel. Dr. McEachin’s dedication to the advancement of behavioral treatment through research and quality training led to the co-founding of the Autism Partnership Foundation with Dr. Ron Leaf.

Missy Olive

Vice President

Melissa Olive, Ph.D., BCBA-D, is the Chief Clinical Officer of Cultivate Behavioral Health and Education. Cultivate acquired Applied Behavioral Strategies that Missy founded and directed from 2010 until 2020. Prior to working in the ABA space, Missy spent 9 years conducting research and training special education teachers and behavior analysts at the University of Texas at Austin and the University of Nevada, Reno.

Missy currently serves as a Guest Reviewer for the Journal of Autism and Developmental Disorders and the Review Journal on Autism and Developmental Disorders. She also served on the Editorial Board of the Journal of Early Intervention for 8 years, Topics in Early Childhood Special Education for 10 years, and Young Exceptional Children for 12 years.

Missy has published over 30 peer-reviewed articles and book chapters focusing on assessment and treatment of challenging behaviors, communication intervention, feeding disorders, and ethical issues for behavior analysts.

Missy currently serves on the CTABA Board of Directors and Chairs the CTABA Public Policy and Legislative Outreach Committee (PPLO). She previously served as a Member at Large on the Executive Council for CTABA. Missy previously served on the Executive Board as a Member at Large for the Division of Early Childhood, a sub-division of the Council for Exceptional Children. Missy also served as President of the Texas Council for Exceptional Children. 

Her current research interest lies in assessment and treatment of feeding disorders, assessment and treatment of severe challenging behavior, ethical issues in the delivery of ABA services, and ABA services in school settings.

Toby Mountjoy


Toby Mountjoy is a Board Certified Behavior Analyst and holds a Master of Science in Applied Behavior Analysis with over 23 years of experience working with individuals with ASD. His main role is overseeing the Autism Partnership operation in Hong Kong, Korea, Philippines and Singapore with over 240 staff, including psychologists, consultants and therapists, he has also provided consultations to school districts, agencies, and families worldwide. Mr. Mountjoy has also contributed chapters to publications such as “Sense & Nonsense” and “It’s Time for School”. In 2007, he founded the charitable Autism Partnership Foundation and Aoi Pui School to offer more services for children with Autism.

Pegeen Cronin


Dr. Pegeen Cronin is a licensed psychologist who has been working in the field of developmental disabilities for over 20 years. Her career began at the UCLA Neuropsychiatric Institute. under the expert instruction and guidance of Dr. BJ Freeman. At UCLA Dr. Cronin became an Assistant Clinical Professor and Director of the Autism Evaluation Clinic (now the UCLA CAN Clinic). In addition to providing comprehensive best practice evaluations to individuals suspected of having a development disability, during her tenure she trained and supervised many psychology and psychiatry trainees. She also co-authored successive center grants for the UCLA Center for Autism Research and Treatment (CART) including for the Simons Simplex Consortium. Her work in research also included recruitment and diagnostic evaluations to provide well-characterized participants to the variety of CART research projects.

Now in private practice, Dr. Cronin continues to provide diagnostic evaluations for individuals of all ages and supports families to navigate access to intervention and services. She also provides consultations, presentations and trainings, including for the gold-standard measure, the Autism Diagnostic Observation Schedule-2nd Edition (ADOS-2), and most recently enjoyed the opportunity to provide a book chapter to Dr. Justin Leaf’s Handbook of Social Skills and Autism Spectrum Disorder (2017). It is a pleasure to be a member of this council to support others’ professional development to learn and to work with individuals and families affected by ASD.

Amy Gravino


Amy Gravino, M.A., is an autism sexuality advocate and Relationship Coach in the Center for Adult  Autism Services at Rutgers University. She is also the President of A.S.C.O.T Consulting, which offers  autism consulting, college coaching, and mentoring services for organizations, schools, individuals on  the autism spectrum, and their families. Amy is an international speaker who has given TED talks,  spoken twice at the United Nations for World Autism Awareness Day, and presented worldwide to  audiences on a variety of topics related to autism, with a dedicated special focus and research on the  subject of autism and sexuality. Ms. Gravino obtained her Masters degree in Applied Behavior Analysis  from Caldwell University in 2010 and currently serves on the Boards of Directors of Specialisterne USA,  Yes She Can, Inc. and the Golden Door International Film Festival of Jersey City, as well as the Scientific  Advisory Board of Simons Foundation Powering Autism Research (SPARK). She is an award-winning  writer whose work has been featured in Spectrum, the leading online news source for autism research,  Reader’s Digest, special education textbooks, and other outlets. Visit to learn more.

William L. Heward


William L. Heward, Ed.D., BCBA-D, is Professor Emeritus in the College of Education and Human Ecology at Ohio State University. He has taught at universities in Brazil, Japan, Portugal, and Singapore and lectured and given workshops in 23 other countries. A Past President and Fellow of the Association for Behavior Analysis International, Bill’s publications include co-authoring the books, Applied Behavior Analysis (3rd ed., 2020), Exceptional Children: An Introduction to Special Education (12th ed., 2022), and Let’s Make a Contract: A Positive Way to Change Your Child’s Behavior (2022). Awards recognizing Dr. Heward’s contributions to education and behavior analysis include the Fred S. Keller Behavioral Education Award from the American Psychological Association’s Division 25, the Ellen P. Reese Award for Communication of Behavioral Concepts from the Cambridge Center for Behavioral Studies, the Outstanding Contributor Award from the California Association for Behavior Analysis, and the Distinguished Psychology Department Alumnus Award from Western Michigan University. Bill’s research interests include improving the effectiveness of group instruction in inclusive classrooms.

Malika Pritchett


Dr. Malika Pritchett is an Assistant Professor of Practice in the Department of Applied Behavioral Science at the University of Kansas. Dr. Pritchett received an AS degree from Collin College, a BS in Communication Sciences and Disorders from Texas Woman’s University, a MS in Behavior Analysis from the University of North Texas, and a PhD in Health Services Research with a concentration in Behavior Analysis from the University of North Texas. Dr. Pritchett’s research interests include research ethics, human rights, community-based participatory research, youth violence prevention, and positive behavior supports. Her research investigates oppressive, colonial research practices in the science of applied behavior analysis and the impact these practices have on establishing and perpetuating researcher-participant power imbalances. Dr. Pritchett utilizes a behavioral systems science approach, such as ecobehavioral analyses and interventions, to inform collaborative policies, strategies, and research practices that are interwoven with a commitment to social justice, including racial justice. Dr. Pritchett is a licensed and board certified behavior analyst, her clinical experience spans various human services sectors including private practice, residential institutions, nursing facilities, municipalities, public schools, colleges, and universities.

Robert Ross


Dr. Bob Ross is the Senior Vice President of Curriculum and Research at Behavioral Education Assessment and Consultation Inc. (BEACON Services of Massachusetts and BEACON of Connecticut). BEACON Services provides intensive behavioral educational services to children diagnosed with PDD/autism and behavioral and learning challenges. Dr. Ross received his doctorate in educational leadership from Nova Southeastern University and his master’s in applied behavior analysis from Northeastern University. Dr. Ross is the co-director of the BCBA certification programs at Cambridge College in Cambridge, Massachusetts, and the University of Massachusetts at Dartmouth. In addition to his teaching and research roles at BEACON, Dr. Ross consults with programs and works directly with individuals diagnosed with autism as part of his caseload responsibilities at BEACON. He has presented more than 100 applied research poster presentations, workshops, and symposia at ABAI conferences and authored articles on topics such as instructional practices in autism treatment, activity schedules, and application of ABA beyond autism treatment

Rachel Taylor


Dr. Rachel Taylor (formerly Dr. Tarbox) has supported individuals diagnosed with neurodevelopmental disorders for more than 25 years. Dr. Taylor started her career working for several prestigious organizations including the New England Center for Children and the Kennedy Krieger Institute. She is the former Co-Director of Research and Development for CARD and the Founder and Director of CARDs Specialized Outpatient Services. In 2008, Dr. Taylor was the founding ABA Department Chair at The Chicago School Los Angeles and has also held faculty positions at California State University Los Angeles and Channel Islands. She has published numerous peer reviewed articles and book chapters, is a previous member of the Executive Council for ABAI and was the 2020 CalABA Conference Chair. Dr. Taylor also serves as a member of the Scientific Council for the Organization for Autism Research (OAR) and as a Board member for The Council for Autism Service Providers (CASP). She is the founder and former CEO for the Center for Applied Behavior Analysis (CABA), a behavioral health organization that provides ABA-based services across a wide range of service settings, diagnoses, ages, and levels of severity. Her current areas of focus include 1) protecting against a potential divide between science and practice and 2) supporting ABA practitioners to maximize desired outcomes and minimize risk.

Mary Jane Weiss


Mary Jane Weiss, Ph.D., BCBA-D, LABA, CPBA-AP is the Dean of Institute for Applied Behavioral Science and Director of the Ph.D. Program in ABA at Endicott College, where she has been for 12 years. She also does research with the team at Melmark. She has worked in the field of ABA and Autism for 38 years. She received her Ph.D. in Clinical Psychology from Rutgers University in 1990 and she became a Board Certified Behavior Analyst in 2000. She previously worked for 16 years at the Douglass Developmental Disabilities Center at Rutgers University. Her clinical and research interests center on defining best practice and humane ABA techniques, integrating compassionate care and cultural responsiveness into ABA service delivery, exploring ways to enhance the ethical conduct of practitioners, training staff to be optimally effective at instruction and at collaboration, understanding and partnering with neurodiverse voices, and maximizing family members’ expertise and adaptation.  She is passionately committed to empowering parents as interventionists in their child’s treatment. She is also interested in finding interventions that parents find to be acceptable, enjoyable, and accessible. She serves on the Scientific Council of the Organization for Autism Research, is on the board of Association for Science in Autism Treatment, is a regular contributor to the ABA Ethics Hotline, is on the editorial board of Behavior Analysis in practice, and is an advisor to the Cambridge Center for Behavioral Studies.

Michael Gerbosi

Public Member

Michael Gerbosi is a professional writer living in Los Angeles.  An active advocate for ABA, he serves as President of the award-winning non-profit Autism education, ABA advocacy and service referral portal  His son was diagnosed with ASD before age 3 and has received ABA therapy since 2016

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