About Us

Expanding Horizons Occupational Therapy provides occupational therapy services to clients living in the Ottawa and surrounding areas. Services are located near the St. Laurent/Elmvale Acres area, at your child’s school or in your home. Occupational therapy assessment and intervention can be provided to children and youth in either English or French. Learn more about us by reading out biographies below.

Please contact Expanding Horizons by phone at 613-897-4820 to book an appointment and/or to discuss any other questions.


Meghan Topolnisky B.A., MScOT Reg (Ont.)

Meghan is the founder of Expanding Horizons Occupational Therapy which began in 2009. She is a graduate of Queen’s University and completed a Master of Science in Occupational Therapy. Prior to this she completed a Bachelor of Arts at Memorial University of Newfoundland with a focus in Linguistics and French. Presently she is practicing occupational therapy in the Ottawa-Carleton Region and is licensed by the College of Occupational Therapists of Ontario. Meghan is bilingual, providing services in both English and French.

Meghan brings experience from hospital-based paediatric services, as well as school-based care. She has a particular interest in working with children and youth with complex mental health disorders as well as school-aged children who are having challenges meeting the demands of the school curriculum. Some of the difficulties that these children may face include fine and gross motor delays, concerns around sensory processing, difficulty with written output, with self-regulation, among other areas.

In addition to being an occupational therapist, Meghan is also a wife and mother to three young children and understands the demands that everyday life poses on children and their families. She enjoys traveling, reading, physical activity and appreciates the simple things in life.

Meghan has training in various areas of paediatric occupational therapy including:

  • Self-Regulation with Children and Youth
  • ASIST: Applied Suicide Intervention Skills Training
  • Complex Mental Health Needs
  • Non-Violent Crisis Intervention Training
  • Cognitive-Behavioral Therapy: Personality Disorder Treatment, Generalized Anxiety Disorder, Panic Disorder, Phobias, Obsessive Compulsive Disorder, Social Anxiety, Post Traumatic Stress Disorder
  • Cognitive-Behavioral Therapy: Strengths-Based CBT, Building Core Therapist and Client Skills Using Mind Over Mood, Depression and Suicide Best Practices
  • Musical Thinking: Simple Steps to Teaching Children How They Think
  • Dialectical Behavior Therapy
  • Kim Barthel: Decoding Autism: Neurobiology and Effective Intervention Strategies
  • Kim Barthel: Psycho-Sensory Processing Intervention
  • Kim Barthel: Becoming a Behavioural Detective; Distinguishing Between Sensory, Emotional & Cognitive Components of Behaviour
  • Kim Barthel: Self-Regulation: Pathways to Learning
  • Kim Barthel: Synchronized Sustainable Intervention for Children: Vestibular & Visual Integration
  • Sensory Processing
  • Collaborative Problem Solving -Tier 1, Tier 2
  • Integrative Psychotherapy: How Leveraging New Research on Lifestyle Modification & Therapeutic Approaches Can Support Mental Health & Cognition Rehabilitation
  • Integrating Mentalizing and DBT for Borderline Personality Disorder
  • Toileting, Interoception & Nutrition
  • Motor Right Along
  • Compassion Fatigue
  • Dual Diagnosis
  • Handwriting Without Tears
  • Keyboarding Without Tears
  • Assistive Technology
  • Completing Home Safety Assessments
  • Supporting Better Sleep Hygiene
  • Developmental Milestones for Babies and Toddlers
  • Motivational Interviewing
  • Sequential Oral Sensory Approach to Feeding


Mark Topolnisky, Co-owner

Mark is the co-owner of Expanding Horizons Occupational Therapy. He studied at the University of Ottawa and graduated with a Bachelor of Arts with a focus in psychology. Mark began his career as a behavioural rehabilitation therapist working with individuals with traumatic head injury and as a personal support worker and teacher.

Mark currently works as a psychometrist and does neuropsychological testing with children and youth in the community. Mark brings many years of experience from a hospital based setting in addition to completing psychometry in private practice. Mark is fully bilingual, providing services in both French and English.


​Jeanette McNalty, BSc, MScOT Reg. (Ont.)

Jeanette graduated from Queen’s University with a Master of Science in Occupational Therapy in 2009. She completed her undergraduate studies at Brock University, graduating with an Honours Bachelor of Science in Health Science in 2007.

Jeanette brings 11 years of experience in paediatrics, having worked as a school-based occupational therapist (OT) in both Ontario and Saskatchewan. She has recently moved home to practice occupational therapy in the Ottawa region and is licensed by the College of Occupational Therapists of Ontario. She also holds membership with the Canadian Association of Occupational Therapists.

Professionally, Jeanette’s areas of interest and passion are in early intervention, Autism, and feeding from birth through childhood. As a school-based OT, Jeanette spent many hours teaching about self-regulation and fine motor skills! She also has many years of experience as a figure skating coach for children and youth. Outside of work, Jeanette is mom to two busy girls!

Jeanette has training in various areas of paediatric occupational therapy including:

  • Quality Behaviour Solutions Safety-Care training
  • Supporting Oral Feeding in Fragile Infants (SOFFI) and Sequential-Oral-Sensory (SOS) Approach to Feeding
  • Reference and Regulate
  • DIR/Floortime
  • Psycho-Sensory Processing Intervention
  • Interoception, The Eighth Sense
  • Sensory Processing
  • Social Thinking
  • Therapeutic Listening
  • Safe and Sound Protocol
  • Best Practice for Autism Spectrum Disorder
  • Trauma Informed Care


Carolyn Powell (Hall), BScHK, MScOT Reg. (Ont.)

Carolyn was born and raised in Ottawa and graduated from Queen’s University in Kingston with a Master of Science in Occupational Therapy. She completed her undergraduate studies at the University of Ottawa, graduating with a Bachelor of Science, Honours in Human Kinetics.

Presently, Carolyn is practicing occupational therapy in the Ottawa-Carleton Region and is licensed by the College of Occupational Therapist of Ontario. She also holds membership with the Canadian Association of Occupational Therapists.

Carolyn has experience working with children, youth and adults. She gained experience in mental health while working with adolescents in a hospital setting, and continues to work with youth with mental health issues in the community setting.She also continues to work in school health, addressing issues related handwriting and written output difficulties, sensory processing issues, self-regulation and attentional difficulties.

Carolyn has training in various areas of pediatric occupational therapy, including:

  • Handwriting Without Tears: Pre-K Literacy and Math; Pre-K; Readiness and Writing; K-5 Handwriting
  • Keyboarding Without Tears
  • Collaborative Problem Solving- Tier 1
  • Sensory Processing and Self-Regulation: Evidence Based Practices for Everyday Life
  • Complex Mental Health Needs
  • ASIST: Applied Suicide Intervention Skills Training
  • Motivational Interviewing
  • Action-Based Cognitive Behavioural Therapy: More Walk, Less Talk
  • Sequential Oral Sensory Approach to Feeding
  • Psycho-Sensory Processing Intervention


Lauren Evans, BScKin, MScOT Reg. (Ont.)

Lauren graduated from Glasgow Caledonian University in Scotland with a Master of Science in Occupational Therapy in 2018. She completed her undergraduate studies in her hometown, at Memorial University of Newfoundland, graduating with a Bachelor of Science in Kinesiology

Lauren began her career with Expanding Horizons Occupational Therapy as the administrative assistant and is now working as an occupational therapist (OT). She is currently practicing occupational therapy in the Ottawa-Carleton region and is licensed by the College of Occupational Therapists of Ontario.

Lauren is a passionate & hardworking OT whose positive attitude & inquisitive personality aid her in harnessing new skills & honing her expertise through continued learning. In her spare time, Lauren enjoys traveling, being outdoors, physical activity & sewing.

Lauren has training in various areas of paediatric occupational therapy including:

  • Handwriting Without Tears: Pre-K Literacy and Math; Pre-K; Readiness and Writing; K-5 Handwriting
  • Integrating Mentalizing and DBT for Borderline Personality Disorder
  • Sensory Integration 101: Developing a Sensory Lens to Enhance Your Practice
  • Interoception, The Eighth Sense - Impact on Behaviour, Regulation and Positive Mental Health
  • Engagement Strategies for Students with Attention Challenges: Lower Anxiety and Raise Confidence
  • Teaching Students with Dyslexia: Early Warning Signs and Effective Intervention with Structured Literacy
  • Sensory Diet
  • Self Regulation
  • Toileting, Interoception and Nutrition
  • LivingWorks Start: Learning the Steps to Recognize Thoughts of Suicide and Engage Safety Resources
  • Strategies for Improving Dysgraphia in Children with ADHD
  • Foundations in Mental Health and Well-Being


Stéphanie Bérubé, MHScOT Reg. (Ont.), B.A.

Stéphanie received a Master of Health Sciences in Occupational Therapy and an Honours Bachelor of Arts with Specialization in Psychology from the University of Ottawa. In 2017, she was recognized for her contributions to her community and received the Bourse nationale d’excellence. She is presently practicing occupational therapy in the Ottawa area and Prescott-Russell region and is licensed by the College of Occupational Therapists of Ontario.

Stéphanie began her career as an Occupational Therapist (OT) with Expanding Horizons Occupational Therapy. Her most recent experiences include private OT services for children with sensory processing and fine motor difficulties. She also has over 10 years of experience coaching children and youth in gymnastics. Empathetic and curious, Stéphanie has a special interest in the area of child and youth mental health, self-regulation and sensory processing.

Stéphanie has training in various areas of pediatric occupational therapy including:

  • ASIST: Applied Suicide Intervention Skills Training
  • Handwriting Without Tears
  • Keyboarding Without Tears
  • Self-Regulation: Pathways to Learning
  • Non-Violent Crisis Intervention Training
  • Practices in Post-Trauma Community Re-Integration
  • Spiritual and Cultural Care: Culturally Responsive Mental Health Care for Refugees
  • Motivational Interviewing
  • Sequential Oral Sensory Approach to Feeding
  • Sensory Processing and Self Regulation: Evidence Based Practices for Everyday Life
  • Integrating Mentalizing and DBT for Borderline Personality Disorder
  • Psycho-Sensory Processing Intervention


Catherine Cullwick, B.P.H.E., MHScOT Reg (Ont.)

Catherine received her Master of Health Sciences in Occupational Therapy from the University of Ottawa, and her Bachelor of Physical and Health Education from Queen’s University. Catherine is presently practicing occupational therapy in the Ottawa area and is licensed by the College of Occupational Therapists of Ontario.

Catherine has experience working with children, youth and adults. Her most recent experience includes working in schools and in the community with children, as well as working with adults with mental health needs in a hospital setting. Catherine is an energetic OT who has experience with fine and gross motor assessments and interventions, as well as with self-regulation and sensory processing. Catherine has a special interest in the area of child and youth mental health.

  • ASIST: Applied Suicide Intervention Skills Training
  • Non-Violent Crisis Intervention Training
  • Becoming a Behavioural Detective: Understanding, Surviving and Supporting Complex Behaviours
  • Emergent Literacy Development For Students with Complex Communication needs
  • Motivational Interviewing
  • Recovery-Oriented Cognitive Behavioural Therapy for Psychosis (CBTp)
  • Anxiety Interventions: Exposure therapy and relaxation skills training (CAOT)
  • Occupation and Trauma: Expanding Occupational Therapy Practice
  • Current Issues in Child and Youth Mental Health. The Royal Ottawa Mental Health Centre


Holly Hatashita, BHSC, MSc, MScOT Reg. (Ont.)

Holly was born and raised in Ottawa and graduated from McMaster University with a Master of Science in Occupational Therapy. She also received a Master of Science in Rehabilitation Sciences from Queen’s University and graduated with a Bachelors in Health Sciences from the University of Ottawa. Holly is currently practicing occupational therapy in Ottawa and is licenced by the College of Occupational Therapists of Ontario.

Holly has experience working with children, youth, and adults in both school-based and hospital settings. She has worked with children and youth of all ages to help promote independence and participation in the school environment. Her interests include fine motor, gross motor, sensory processing, and self-regulation.

Holly has training in various areas of pediatric occupational therapy including:

  • Handwriting Without Tears: Multisensory Approach to Pre-K; Print; Cursive; Handwriting Assessment
  • Self-Regulation
  • LGBTQ inclusion training
  • Sensory Processing
  • Nonviolent Crisis Intervention Training
  • Autism and Sensory Processing Differences: Towards a Better Understanding of a Child’s Sensory Profile and Strategies that Help
  • The Occupational Therapists Role in Feeding


Barri Trager BSc, MScOT, OT Reg. (Ont.)

Barri was born and raised in Toronto. She graduated from Queen’s University with a Master of Science in Occupational Therapy in 2009. Prior to this, she completed a Bachelor of Science in Health Promotion at Dalhousie University in 2006.

Presently, Barri works in paediatric private practice settings in Toronto and is licenced by the College of Occupational Therapists of Ontario and the National Board for Certification in Occupational Therapy in the United States. She also holds membership with the Canadian Association of Occupational Therapists.

Barri has a broad range of experience spanning pediatric community based, private practice, and school board settings in the Greater Toronto Area. She has a particular interest in working with children with Autism Spectrum Disorder. She has experience supporting children with fine and gross motor development, play, handwriting, sensory processing, self-regulation, attention, and executive function using a play based and evidence informed approach.

Barri is a certified Basic DIRFloortime provider and has training in various areas of pediatric occupational therapy including:

  • Beyond Behaviours: Effective Neuroscience-based Tools to Transform Childhood Behaviors
  • Toileting, Interoception Nutrition: An Evidence-Based Approach for Promoting Toileting Success and Independence
  • 5 Keys to Supporting Behaviour Regulation: How to Support Challenging Behaviour in a Kinder, More Effective Manner
  • 3 Steps to Improving Interoception: An Evidence Based Approach
  • Making Connections: Introduction to NDT and Dynamic Core for Kids
  • DIR 201: Promoting Basic Functional Emotional Developmental Capacities
  • DIR 101: An Introduction to DIR and DIRFloortime
  • Introduction to Facing Your Fears: Group CBT for Managing Anxiety in Children with ASD Part 1
  • Sensory Processing and Sensory Based Interventions for Children
  • The Learn Play Thrive Approach to Autism
  • Childhood Autism Spectrum Disorder: Best Occupational Therapy Practice
  • Occupational Therapy Approaches to Anxiety with Children and Teens
  • Developmental Coordination Disorder: Applying Current Evidence to Practice
  • The SOS Approach to Feeding
  • Handwriting Without Tears (Pre-K & K-Grade 5)


Sydney Stewart, B.A., MScOT Reg. (Ont.)

Sydney is currently practicing as a registered occupational therapist in the Ottawa-Carleton and Leeds, Grenville & Lanark regions. She is licensed by the College of Occupational Therapists of Ontario and is a member of the Canadian Association of Occupational Therapists. Sydney obtained her Master of Science in Occupational Therapy from McGill University. Prior to this, she completed a Bachelor of Arts (Honors) in Health Studies at Queen’s University.

Sydney has experience working with infants, children, youth, and adults in hospital, clinical, community, and school-based settings. In particular, she has extensive experience working with children and youth with autism spectrum disorder, perinatal stroke/hemiparetic cerebral palsy, and developmental delay. Sydney is committed to providing family-centered care and implementing evidence-based practice into her treatment approaches. Her pediatric therapy interests include infant attachment and bonding, feeding/swallowing, self-regulation, sensory processing, and handwriting.

Outside of work, Sydney enjoys skiing, golfing, and spending time with her family. She is also dedicated to her volunteer work at CHEO and Camp Oochigeas.

Sydney has training in various areas of pediatric occupational therapy including:

  • Certified Infant Massage Instructor (Level II)
  • Infant Nutrition Essentials – Nutrition Masterclass
  • When and How to Initiate Tube Weaning (OSOT)
  • Constraint-Induced Movement Therapy
  • Motivational Interviewing
  • Handwriting Without Tears


Félicia Latulippe, BHSC., MHScOT Reg (Ont.)

Félicia Latulippe is currently practicing occupational therapy in the region of Ottawa and is licensed by the College of Occupational Therapists of Ontario. Félicia completed her Master of Health Sciences in Occupational Therapy at the University of Ottawa after completing her Bachelor of Health Sciences with Honors Specialization in Rehabilitation Sciences at Western University.

Félicia began her career with Expanding Horizons Occupational therapy as an administrative assistant where she continued on as an Occupational Therapist (OT). Félicia is a passionate and empathetic OT and has a special interest in working with children and youth in the area of fine and gross motor skills, sensory regulation, sensory processing, and mental health. Félicia is fully bilingual, providing services in French and English.

Félicia has training in various areas of pediatric occupational therapy including:

  • The Learn Play Thrive Approach to Autism: using a deep understanding of autism learning styles and a strengths-based approach
  • Working with Fear
  • Psycho-Sensory Processing Intervention
  • Becoming a Behavioural Detective: Understanding and Supporting Complex Behaviour
  • Handwriting Without Tears
  • Self-Regulation
  • Motivational Interviewing
  • Non-Violent Crisis intervention
  • LGBTQ inclusion training
  • Mentalizing and Dialectical Behavior Therapy
  • Sensory Processing
  • LivingWorks Start: Learning the Steps to Recognize Thoughts of Suicide and Engage Safety Resources


Courtney Barton, B.A., MscOT Reg. (Ont.)

Courtney completed her Master of Science in Occupational Therapy at Queen’s University. Prior to achieving her master’s degree, Courtney graduated from Carleton University with a Bachelor of Arts in Linguistics. Presently she is practicing occupational therapy in the Ottawa Carleton and Brockville region. Courtney is licensed by the College of Occupational Therapists of Ontario.

Courtney began her career as an Occupational Therapist (OT) with Expanding Horizons Occupational Therapy. Her most recent experiences include school-based and private OT services for children and youth, as well as community-based OT services for the adult population. Courtney is a motivated and passionate OT who strives to enable people of all ages to live to their full potential. Courtney has a keen interest in working with pediatrics in the areas of fine motor, gross motor, self-regulation and sensory processing.

Courtney has training in various areas of pediatric occupational therapy including:

  • ASIST: Applied Suicide Intervention Skills Training
  • Non-Violent Crisis Intervention Training
  • Decoding Autism: Neurobiology and Effective Intervention Strategies
  • Promising Practices and Inspiring Solutions in School-Based Occupational Therapy
  • Handwriting Intervention Training
  • Keyboarding Without Tears


Sivah (Certified Therapy Dog and CEO)

Sivah is an eleven year old Labrador Retriever. She is mild mannered and loves to participate in OT sessions. She is great at reading social cues and adapts her approach to each child or adolescent's personality and needs. Sivah truely loves her work and all she asks for is a belly rub from time to time and or a delicious treat.

For some individuals, using a pet as part of the therapeutic process can be very beneficial to their mental health. When partaking in therapy sessions, therapy dogs have the potential to encourage communication, lessen depression, provide comfort, decrease anxiety, reduce self-consciousness, reduce agitation and increase focus.


Michelle is very excited to be joining the team as Administrative Assistant. She was born and raised in a small town South-East of Ottawa and is fluently bilingual in French and English. Michelle graduated in 2020 from the University of Ottawa with an Honours Bachelor of Science specialized in Biomedical Sciences and Neuroscience. She is currently in her first year of a Master of Health Sciences in Occupational Therapy at the University of Ottawa. She has over four years of experience working with children and youth with special needs, mainly Autism Spectrum Disorder, in respite day programs and specialized camp settings. She has also been a long time tutor for students with various special needs. In the past year, Michelle has facilitated a day program for teenagers with Autism, as well as played the role of Camp Coordinator for a special needs summer camp. In her spare time, she enjoys playing sports, reading and hiking.


Véronique is very excited to be joining the team as an administrative assistant. She was born and raised on the South shore of Montreal and is fully bilingual. She will be graduating from the University of Ottawa’s occupational therapy program in August 2021. Véronique completed her undergraduate studies at Utica College in New York, where she played hockey at the NCAA level for four years. She graduated with Cum Laude Honors with a Health Studies degree. In her spare time, Véronique enjoys traveling, cycling, working out, and spending time with friends and family.