MEET THE TEAM
OUR TEAM
Marisa Leuzzi, MPEd., R.B.A. (ONT.), BCBA
ABA Therapy Clinical Supervisor
Marisa is a Board Certified Behavior Analyst (BCBA) and Registered Behavior Analyst (RBA) with graduate degrees from Trent University, where she earned an MSc in Developmental Psychology, and Western University, where she completed an MPEd in Applied Behavior Analysis.
She has had the privilege of working with children, youth, and young adults across a wide range of settings, including schools, daycares, clinical environments, and home-based programs. With extensive experience supporting individuals with diverse needs, particularly in the area of challenging behaviour, Marisa is dedicated to designing individualized, evidence-based interventions that promote growth, independence, and confidence. She also incorporates principles of the Early Start Denver Model and naturalistic teaching into her practice to create engaging and meaningful learning opportunities.
Outside of work, Marisa enjoys staying active through workouts at the gym, taking long walks with her dog, and swimming during the summer months!
Andrea Stuart, M.ADS, R.B.A. (ONT.), BCBA
ABA Therapy Clinical Supervisor
Andrea is a compassionate and multifaceted professional, embodying a journey shaped by a love for helping others.
From teaching dance in her early years to becoming a Board Certified Behavior Analyst (BCBA) with a Master's in Applied Disability Studies, she blends diverse expertise. Andrea's educational path, including an undergraduate degree in Applied Linguistics and a postgraduate certificate as a Communicative Disorders Assistant (CDA), reflects her commitment to understanding and assisting others, resulting in a unique approach to ABA.
Beyond her professional role, she finds joy in mindfulness, yoga, exploring new places, and cherishing time with friends, family, and her beloved dog.
Andrea's philosophy revolves around providing compassionate, trauma-informed care with a high level of integrity, family-directed decision-making, and infusing both work and life with fun and quality of care.
In every aspect of her life, Andrea seeks to make a positive and meaningful impact, excited about the boundless possibilities ahead.
Jessica Fabian, M.ADS, R.B.A. (ONT.), BCBA
ABA Therapy Clinical Supervisor
Jessica has worked with neurodiverse children and youth since 2013. She holds an undergraduate degree in Arts and Contemporary Studies (minor in Psychology and Music) from Toronto Metropolitan University, a post-graduate certificate in Autism and Behavioural Sciences from George Brown College, and a Master of Applied Disability Studies - Applied Behaviour Analysis from Brock University. Jessica has been a Board Certified Behaviour Analyst since 2019, and is also a Registered Behaviour Analyst (Ontario).
Jessica is passionate about instilling confidence in her clients and their loved ones. She has a wide range of clinical experience, working with children and youth from ages 2 to 18. Jessica uses a compassionate and inquisitive approach to support her families. Each client and family is unique, and deserves an individualized approach to therapy that incorporates client and family preferences and cultural values. Jessica understands the importance of trust in a therapeutic relationship, and places value in the relationships built with her clients. She truly believes that families are the experts in their children, and that a collaborative approach is the key to success!
Jessica resides in Clarington with her young family and pup. Outside of work, Jessica enjoys outdoor time with her family, Crossfit, and cooking.
Tiffany Knautz, M.H.Sc. SLP, Reg. CASLPO
Speech-Language Pathologist
Tiffany received her Master of Health Science in Speech-Language Pathology from the University of Toronto. Tiffany has clinical experience working in schools, hospitals, and rehabilitation clinics, to treat a variety of communication disorders including: language delay, motor speech, articulation, social communication, cognitive-communication, voice, and swallowing. Tiffany provides enjoyable, individualized therapy by creating meaningful goals and involving clients’ personal interests in treatment. Tiffany is a passionate therapist who brings creativity to her therapy activities and is highly enthusiastic toward client progress!
Tiffany provides intervention for children with Autism Spectrum Disorder, Down Syndrome, expressive and receptive language delay, as well as adults with acquired speech, language, and swallowing disorders. She also has experience in the assessment and implementation of alternative and augmentative tools for communication (AAC). As a previous one-to-one support counsellor for children with special needs, she has experience successfully implementing behavioural management strategies to sustain client engagement.
Tiffany participates in continued professional development including the Kaufman Speech to Language Protocol for children with motor speech disorders, and Kasper: Progressive and Systematic Speech and Language Training for Children on the Autism Spectrum. She also received training on LAMP: Words for Life to support language development through AAC on children with Autism. Additionally, she holds certification in the Modified Barium Swallow Impairment Profile (MBSImP) for assessing adults with swallowing disorders.
Kaila Harney-Bain
Supervised Behaviour Clinician
With a background in Behavioural Psychology, Kaila brings over eight years of experience working with children, including more than five years supporting children with Autism Spectrum Disorder. She has experience as a Program Consultant for a respite program and as an Early Childhood Assistant, supporting skill development through engagement and structured play.
Kaila values early intervention, family collaboration, and evidence-based learning to support meaningful progress. Families can expect a supportive and goal-oriented approach that prioritizes the child’s strengths and growth.
In her personal time, Kaila enjoys creative outlets including photography and painting. She loves her dog Jaxxie and enjoys sharing new experiences with her loved ones.
Bhumika Kumar
Supervised Behaviour Clinician
Bhumika holds a Post-Graduate Certificate in Autism and Behavioural Science from Durham College, a diploma in Child and Youth Counselling, and a Bachelor’s degree in Applied Psychology.
With hands-on experience in inclusive educational and clinical settings, she focuses on fostering communication, independence, and emotional well-being in children.
She is committed to creating safe, supportive environments where every child feels valued, understood, and empowered to grow.