About Nancy

Nancy Marchese’s approach comes down to her love of working with children with autism and her belief that each and every family member’s voice should be heard throughout the process.

Nancy discovered her passion for the field of Applied Behaviour Analysis (ABA) in 1998 when she first started working with children with autism. Since then, she’s had the privilege of working with hundreds of children with autism and their families across Ontario. She’s enjoyed supervising Intensive Behavioural Intervention (IBI) programs through various non-profit and private agencies, as well as training clinical staff on how to implement these programs.

A Board Certified Behaviour Analyst (BCBA) and Psychological Associate, Nancy completed her Master of Arts in Psychology with a specialization in Behaviour Analysis at the University of Nevada, Reno. She takes pride in the fact that she stays connected with the latest research which she incorporates into her client’s programming. Nancy has published research in the flagship Journal of Applied Behavior Analysis (JABA) and has presented at both provincial and international conferences.

Nancy has appeared as a guest on CBC News Toronto, CityTV, CP24, CHCH news, Daytime Toronto, Daytime York, NewsTalk1010, and Hamilton Life as an authority on autism. She is the 2015 recipient of the “Excellence in the Contribution to Behaviour Analysis” award present by the Ontario Association of the Behavior Analysts (ONTABA). Nancy has been invited to share her expertise by conducting workshops for the Geneva Centre, Kerry’s Place, and Autism Ontario.

Nancy Defina-Marchese, Executive Director and Founder of Breakthrough Autism
Nancy Defina-Marchese | M.A., BCBA Executive Director and Founder
Nancy Defina-Marchese, Executive Director and Founder of Breakthrough Autism
Nancy Defina-Marchese | M.A., BCBA Executive Director and Founder
Careers

Careers

If you share our passion and commitment to working with children with autism, we want to hear from you.

Read about Breakthrough Autism Careers »

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