OUR TEAM

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Dr. Paulo Pires, Ph.D., C.Psych.

Dr. Pires is a Co-Director of Halton Psychologists. He received his Ph.D. in School and Clinical Child Psychology from OISE/University of Toronto and is registered as a Clinical Child and School Psychologist with the College of Psychologists of Ontario. He is currently the Clinical Director of the Child and Youth Mental Health Program at McMaster Children's Hospital. He is an Assistant Professor (Part-time) in the Department of Psychiatry and Behavioural Neurosciences at McMaster University, and current supervisor and former Training Director for the Clinical Child Psychology Residency at McMaster Children's Hospital. He previously worked for the Toronto Catholic District School Board for several years.

Dr. Pires is a founding partner of Halton Psychologists, a private practice in Milton. He completes psychological assessments of children and adolescents and uses a Cognitive Behavioural, Interpersonal and Family Systems approach to the treatment of children, adolescents and families. Dr. Pires teaches and supervises trainees in psychology and psychiatry at McMaster Children's Hospital. He is also involved in disseminating knowledge through workshops and publication.

 
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Dr. Vicky Timmermanis,
Ph.D., C. Psych.

 Dr. Timmermanis is a Psychologist at Halton Psychologists. She received her doctoral degree in school and clinical psychology from OISE/University of Toronto.  She has experience working with children and youth in a range of settings including schools, children's mental health centres (ROCK) and hospitals (McMaster Children's Hospital, Toronto Western Hospital). In addition to her work at Halton Psychologists, Dr. Timmermanis also works part-time at the Toronto District School Board

At Halton Psychologists, Dr. Timmermanis conducts comprehensive psychological assessments of children and youth. Through these assessments, she aims to meet the goals of the family, to understand each child/teen's unique strengths and needs, and to provide recommendations to support their academic progress and emotional well-being.

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Dr. Shonna John, Ph.D., C.Psych.

Dr. John is a Clinical Child/Adolescent Psychologist and School Psychologist and the Co-Founder and Co-Director of Halton Psychologists.  She obtained her doctorate degree from the University of Toronto in 2005 and received dual registration from the College of Psychologists of Ontario in 2006.   Dr. John is also a graduate of the Trichotillomania Learning Center (TLC) Professional Training Institute.  She has worked extensively in private, hospital, community and school settings throughout the years including Trillium Health Partners, Hospital for Sick Children, McMaster Children's Hospital, Integra Foundation, Surrey Place Centre, and Toronto Catholic and Peel District School Boards.

At Halton Psychologists, Dr. John focuses her work on children and adolescents who experience distress due to anxiety disorders, mood disorders, learning difficulties, ADHD, Body-Focused Repetitive Behaviours (e.g., hair pulling, skin picking and nail biting) and various behavioural concerns.  She primarily assumes a Cognitive-Behavioural Therapy and Family Systems approach to helping children and families develop lifelong skills to manage their difficulties.  Dr. John has authored various publications and articles, which have focused on children's mental health.  In addition, she continues to train and supervise other mental health professionals and to engage in disseminating knowledge at various workshops.

At Halton Psychologists, Dr. Ng provides therapy to children and adolescents with mood/anxiety disorders, learning issues, and behavioural problems that incorporate the Family Systems and Cognitive-Behavioural Therapy approaches. In addition, she conducts comprehensive psychological assessments. Dr. Ng has published in peer-reviewed journals and presented at conferences.

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Dr. Heather Prime,
Ph.D., C. Psych

Dr. Prime is a clinical psychologist providing psychological assessment and treatment services for children, teens, and families. She works primarily with individuals presenting with a range of concerns related to learning/academics, attention, anxiety and depression, emotion regulation, relationships, and behavior. She enjoys working with families using a family-based approach, helping parents to support their children’s emotional and behavioural well-being while also strengthening parent-child relationships and family communication. Dr. Prime is actively involved in clinical research at McMaster University, with a focus on understanding and supporting the role of family processes in childhood development and mental health.

 

Dr. Prime completed an M.A. and Ph.D. in School and Clinical Child Psychology at the Ontario Institute for Studies in Education/University of Toronto, and a B.A. in Honours Psychology at McGill University. She completed a one-year residency at McMaster Children's Hospital, with previous training at a range of public and private mental health settings, including the Centre for Addiction and Mental Health, the Hincks-Dellcrest Centre, and the Toronto District School Board.

 

 

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Dr. Olivia Ng, Ph.D., C.Psych.

Dr. Ng is a Psychologist at Halton Psychologists.  She holds a Ph.D. degree in psychology from OISE/University of Toronto.  Over the last 10 years, Dr. Ng has acquired specialized knowledge in clinical psychology through her work with children and adolescents.  She has provided psychological assessments and therapy to help those experiencing mental health problems overcome their challenges in a variety of settings including the Centre for Addiction and Mental Health (CAMH), Surrey Place Centre, Toronto District School Board, University of Waterloo, and Mount Sinai Hospital.  Currently, Dr. Ng works at McMaster Children’s Hospital in Developmental Pediatrics and Rehabilitation and previously worked in the Autism Spectrum Disorder Service as a Clinical Supervisor.  She is also an Assistant Clinical Professor (Part-Time) in the Department of Psychiatry and Behavioural Neurosciences at McMaster University.

At Halton Psychologists, Dr. Ng provides therapy to children and adolescents with mood/anxiety disorders, learning issues, and behavioural problems that incorporate the Family Systems and Cognitive-Behavioural Therapy approaches.  In addition, she conducts comprehensive psychological assessments.  Dr. Ng has published in peer-reviewed journals and presented at conferences.

 
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Dr. Nidhi Luthra,
Ph.D. C. Psych

Dr. Luthra is a Clinical Psychology resident at Halton Psychologists. She holds a Ph.D. degree in Clinical Developmental Psychology from York University of Toronto and is currently getting registered for supervised practice with the College of Psychologists of Ontario. Over the last 10 years, she has worked extensively with children, adolescents and their families in a variety of settings including Holland Bloorview Kids Rehabilitation Hospital, Surrey Place Centre, Reach Out Centre for Kids (ROCK), York University Psychology Clinic, and Treatment Research and Education in Autism and Developmental Disabilities (TRE-ADD) program at the Thistletown Regional Centre.

At Halton Psychologists Dr. Luthra focuses her work on conducting comprehensive psychological assessments and providing therapy to children and adolescents who experience academic, social and emotional distress due to Intellectual Disability (ID), Autism Spectrum Disorder (ASD), Learning Disability (LD), Attention Deficit Hyperactivity Disorder (ADHD) as well as anxiety disorders, mood disorders and behavioral difficulties. In her assessments, Dr. Luthra explores the influence of the child’s own biology, their family, school, culture and community on their challenges to identify their unique strengths and needs. She incorporates Cognitive Behavioral, Family Systems and Play based approaches to individualize treatment based on each client’s needs and goals. In addition, Dr. Luthra has published in peer-reviewed journals and presented her research at various conferences. She has a keen interest in cultural differences around disability and providing culturally sensitive services. She can provide services in English, Hindi, Urdu and Punjabi.

 

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