We have a strong commitment to and a firm belief that prevention and early intervention can assist the well-being of children and their families. We show our commitment through the use of a skills-based, evidence-based and strength-based approach, within our therapeutic groups. We provide families with support, a successful skill set and opportunities for growth.

“We do not see problems, we see solutions and opportunities for growth.”


Tania DaSilva, Clinical Director, Child, Youth and Family Therapist


Tania DaSilva holds an Honours Bachelors of Arts and Science Degree majoring in Psychology and Sociology. She is certified in Cognitive Behavioural Therapy, training that she successfully completed at OISE, University of Toronto. She holds an Honours Advanced Child and Youth Care Diploma from Humber College, specializing in counselling, interventions, treatment and therapeutic activities. 

Additionally, Tania has received certification in Applied Behavioural Analysis for Educators through the Geneva Centre for Autism, as well as certification in Neuroscience Coaching accredited by the CCE. She also specializes in Emotional Intelligence and is certified to administer the renowned EQ-i2.0 assessment. 

She has worked at The Dunblaine School, a school dedicated to students with various degrees of developmental and learning disabilities. Within the TDSB working with the entire population, but more specifically with children with special needs and those in need of emotional and behavioural assistance. She was also part of the multi-disciplinary team at the North York General Hospital in the Psychiatric Unit, specifically in the eating disorder day program. Tania joined the BEHAVIOUR MATTERS team in January 2015, she is now the Clinical Director and Senior Therapist for families or individuals looking for assistance with their specific therapeutic needs.

Tania DaSilva has been featured as a Child, Youth and Family Therapist expert on CP24, GLOBAL NEWS and CTV discussing a variety of issues and topics on air. 

Sarah Latowsky, Program Director, Executive Functioning Coach


Sarah Latowsky holds a Bachelor of Arts degree in Psychology from McGill University, as well as a Masters of Arts degree in Child Study & Education from OISE with an emphasis in Special Education. She is a certified Primary/Junior teacher in the province of Ontario. Sarah has worked with children with a variety of emotional and behavioural needs and their families through her work at Camp Robin Hood, both as group counselor/1:1 support worker, and as a Senior Staff member. After graduating from OISE in May 2016 Sarah joined the team at BEHAVIOUR MATTERS as a Group Facilitator and Executive Functioning Coach. Sarah is now the Program Director.

Emily Rogers Nannarone, Clinical Supervisor


Emily has an Honors Bachelor of Arts Degree from Trent University and a Master’s of Social Work from Wilfred Laurier. She is also a Certified Trauma Counsellor and trained in Mental Health Counselling, Autism Support, Accommodation Planning, Workshop Facilitation, and Curriculum Development. She has spoken at several clinical conferences and been apart of numerous panels, task forces, and committees. Emily has extensive experience providing support and services to individuals with mental health challenges, developmental disabilities, Autism/Asperger’s, learning disabilities, acquired brain injuries, and survivors of trauma. Joining the BEHAVIOUR MATTERS team in 2017 as a Clinical Supervisor, Emily is excited about helping children, youth and families in achieving their goals. Emily is registered with the Ontario College of Social Workers and Social Service Workers (OCSWSSW) as well as the Canadian Association of Social Workers (CASW).


Andrea Ieraci, Behavioural Consultant, Senior Therapist


Andrea holds a Master’s of Education with a Specialty in Applied Behavioural Analysis (ABA) from Western University and an Honours Bachelor of Science with a Specialty in Psychology from University of Toronto. Andrea has over 10 years of direct clinical experience providing Applied Behavioural Analysis (ABA) and Intensive Behavioural Intervention (IBI) treatment for children and youth diagnosed with Autism Spectrum Disorder (ASD) and other neuro-developmental delays, in various school, clinic and in-home settings, both in Canada and the United States, and alongside amazing psychologists, BCBAs, and other paraprofessionals. 

Andrea has extensive clinical experience with assessment and developing programs that focus on managing interfering behaviors and teaching appropriate replacement behaviours, building functional communication (vocal, sign language, PECS, and other speech devices), and developing school readiness skills, social skills (joint attention/play skills/social communication) and functional life skills. She has received her provincial training through TPAS and Kinark and has completed Pivotal Response Training (PRT), Picture Exchange Communication System (PECS) training, and Crisis Prevention Intervention (CPI) training.

As a clinical lead, Andrea assists in developing and implementing evidence-based treatment approaches, and provides clinical guidance to the behavioural intervention team. Her areas of specialty include building and developing verbal behaviour for pre- and non-verbal students, building and developing school readiness skills for early learners, training parents and educators on how to appropriately reduce interfering behaviours and equipping students with the necessary tools/techniques to independently self-regulate.

Melvin Sert, Group Facilitator, Child, Youth and Family Therapist

Hons. B.Sc., M.Sc.

Melvin Sert earned her masters degree in psychology, specializing in forensics, from Maastricht University in the Netherlands and holds an Honors Bachelor of Science degree from University of Toronto. She has completed her clinical training in London, England at Springfield University Hospital, working in a forensic psychiatric unit with patients from diverse backgrounds and complex mental health needs. Trained in Schema Therapy, dialectical behavior therapy (DBT) and cognitive behavioral therapy (CBT), Melvin’s passion is in her work with children and youth with various mental health needs.

Nicole Markowitz, Group Facilitator, Lead Child, Youth and Family Therapist


Nicole Markowitz is passionate about helping children, adolescents, and families reach their highest potential. Nicole earned her Advanced Graduate Diploma in Art Therapy from the Toronto Art Therapy Institute and is in the process of registering with the College of Registered Psychotherapists of Ontario (CRPO). She is also certified in Cognitive Behavioural Therapy (CBT), having completed training at the Hincks-Dellcrest Institute. Nicole has experience working with many populations in a wide array of environments, including school-based, hospital, and clinic settings. 

Nicole uses creative techniques combined with evidence-based approaches to help her clients externalize and work through difficult emotions and create behavioural change. She creates a collaborative, supportive, and welcoming environment for clients to explore their emotions, learn to self-regulate, develop healthy coping strategies, problem solve, and build self-esteem. Nicole enthusiastically joined the BEHAVIOUR MATTERS team in 2017, and also leads the Art Therapy program at The Jerome D. Diamond Adolescent Centre, which she established in 2015. 

Meaghan Sullivan, Registered Early Childhood Educator (RECE), Group Facilitator


Meaghan is a Registered Early Childhood Educator who completed her BA in Early Childhood Studies at Ryerson University. She has over six years experience in the field of early care and education using play-based and emergent curriculums to implement programs for children from infancy to school age. She has worked in a variety of settings that include child care centres, YRDSB, summer camps and before and after school programs. Meaghan has always been drawn to the social, emotional development of young children and recognizes the importance of early childhood in setting the foundation for positive health and well-being. She continues to be an advocate for young children in their journey towards self-fulfillment.


Cheri Boros, Co-Founder

Certified Child and Youth Worker (CYW), Certified Child and Youth Counsellor (CYC)

Cheri Boros is a Certified Child and Youth Worker with over 25 years of clinical and group experience. In addition to being a co-founder of BEHAVIOUR MATTERS, Cheri has worked with children, families and teachers in hospital, educational, day-treatment, mental health and home settings. Her areas of expertise includes developing and implementing effective social skills, self-esteem and anger management group programs for children, as well as working with parents to help them increase and develop positive parenting skills.

Karen Connort, Co-Founder

Certified Child and Youth Worker (CYW), Certified Child and Youth Counsellor (CYC)

Karen Connort is a Certified Child and Youth Worker with over 25 years of clinical and group experience. In addition to being a co-founder of BEHAVIOUR MATTERS, Karen was a member of the Child and Adolescent Health Services team at North York General Hospital, where she was the intake coordinator. Her expertise includes child development and behaviour, providing resource services for families, and developing and implementing dynamic and credible social skills and anger management programs for children.