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Adriana Karka

Adriana KarkaAdriana Karka has been with Geneva Centre for Autism since 2007 first as a Provincial Autism Resource Consultant, and currently as a Training Institute Faculty. Adriana is fully bilingual and provides training and consultation both in English and French.  As an accomplished music therapist and behaviour specialist for individuals with Autism Spectrum Disorder and other intellectual and developmental disabilities for over 10 years, she previously spent five years with the Autism Intervention Program at the Children’s Hospital of Eastern Ontario.
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Andrew Davis

Andrew DavisAndrew first became interested in Autism when completing his Bachelor of Science degree at Queen’s University. After graduating in 2003 he immediately began working at Geneva Centre for Autism as an IBI therapist. By 2006 he was a Supervisor/Senior therapist in the program where he continued to develop his skills in the areas verbal behaviour, errorless teaching, skill assessment, curriculum planning, and behavioural interventions for children with Autism.
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Donna Graham

Donna GrahamDonna Graham has been working in the field of special education and autism spectrum disorders for almost 25 years.  An original start to her profession in Early Childhood Education soon led her to realize that her passion and dedication was for those who need a little extra attention.  Since that time, Donna has provided many parents and professionals with strategies and techniques through workshops, presentations and consulting. 

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Elizabeth Mitchell

Elizabeth MitchellElizabeth Mitchell is a member of the Training Institute faculty with the Geneva Centre for Autism.  She has worked in the field of Autism Spectrum Disorders for 30 years.  Elizabeth has a wide range of experiences in working with families and people with ASD.  She has worked with adults in a hard to serve group home, children and adolescents in a parent relief program, and at camps. Elizabeth was one of the founding members of the Autism Team in the Dufferin Peel Catholic District school board where she spent the last 18 years.

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Jonathan Weiss, Ph. D.

Dr. Jonathan WeissJonathan Weiss, Ph.D., is an Assistant Professor in the Department of Psychology at York University in Toronto, Canada, and a Clinical Psychologist. He completed a post-doctoral fellowship in the Dual Diagnosis Program at the Centre for Addiction and Mental Health, and was a research fellow in the Department of Psychiatry at the University of Toronto. He holds the Canadian Institutes of Health Research Chair in Autism Spectrum Disorders Treatment and Care Research.

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Melissa Legree

Melissa LegreeMelissa Legree is a Board Certified Behaviour Analyst with extensive experience working in the field of Applied Behaviour Analysis helping families of children and adolescents with Autism Spectrum Disorder (ASD) in the role of a behavior consultant and ABA classroom supervisor. Dedicated to improving services for the ASD population and their families, Melissa has conducted program evaluation and meta-analysis research on the topics of social skills, coping skills, and generalization.

Michelle Turan

Michelle Turan

Michelle Turan is a Board Certified Behaviour Analyst and a PhD Candidate in Education. Michelle has been working in the field of behaviour analysis for 20 years and has been teaching graduate coursework (in ABA) in both Canada and the U.S. for over 8 years. Michelle is a published researcher but prefers to spend most of her professional time training others on the value of applied behaviour analysis to increase learning and decrease problem behaviour in typical children as well as children with special needs.

Nancy Defina-Marchese

Nancy Defina-Marchese

Nancy discovered her passion for the field of Applied Behavior 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 Behavioral Intervention (IBI) programs through various non-profit and private agencies, as well as training clinical staff on how to implement these programs.

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Natalie Healy

Natalie Healy

Natalie Healy has been working with individuals with special needs her entire professional career. With a background in both Therapeutic Recreation and Child & Youth Work, Natalie began her career at Geneva Centre as a Social Skills Facilitator where she was involved in developing and implementing social skill groups for individuals with autism.

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Natalie Paquet Croteau

Natalie Paquet Croteau

Natalie Paquet Croteau is a Board Certified Behaviour Analyst with a Master's degree from the University of Reno, Nevada. She clinically oversees teams of professionals delivering ABA for individuals with autism at Surrey Place Centre. She also maintains a private practice as a consultant of ABA to families of children with autism, with a specialty in French.

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Sarah Kupferschmidt

Sarah Kupferschmidt

Sarah realized that Behaviour Analysis was her calling when she first started working with children with autism in 1999. Once she discovered its effectiveness and the impact it had in helping individuals with autism and their families, it inspired her to pursue a Masters of Arts in Psychology, with a specialization in Behaviour Analysis from the University of Nevada, Reno. She is also a Board Certified Behaviour Analyst (BCBA).

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