Thiviyan Sithganesan

Registered Social Worker


Thiviyan is a Registered Social Worker and a member of the Ontario College of Social Workers and Social Service Workers. After completing his Bachelor of Arts in Psychology and Bachelor of Social Work at the University of Waterloo, he went on to receive his Master of Social Work from Western University. Presently, he has been practicing as a mental health therapist for the past five years working with a wide variety of client populations at several different organizations.Thiviyan is passionate about sharing his wealth of counselling knowledge with clients to equip them with the strategies and techniques needed to manage challenging situations. He prides himself on his ability to break down abstract therapeutic concepts and explain them in a relatable way, using clever examples, metaphors, and activities. Thiviyan is also an open-minded and empathetic practitioner who has tremendous patience with his clients. He understands the significance of using a collaborative approach, as he works alongside his clients to shape their own journey in therapy.Thiviyan is a proud தமிழ் (Tamil) Canadian and children's book author. Outside of his work, he enjoys playing basketball and board games with friends.

Thiviyan is currently accepting new clients for online and in-person therapy sessions!


  • Children/Teenagers

  • Adults


  • Individual Therapy

  • Couples Therapy

Supported Concerns

  • Addiction

  • Anger

  • Anxiety

  • BIPOC Issues

  • Depression

  • Family Issues

  • Grief

  • Health Anxiety

  • LGBTQ+ Issues

  • Insomnia

  • Relationship Issues

  • Panic

  • Phobias

  • Self-Esteem

  • Social Anxiety

  • Stress

  • Sex Issues

  • Trauma

Therapeutic Approaches

  • Cognitive Behavioural Therapy (CBT)

  • Dialectical Behaviour Therapy (DBT)

  • Exposure Therapy

  • Gottman Method for Couples Therapy

  • Inner Child Work

  • Mindfulness-Based Cognitive Therapy

Professional Associations

  • Ontario College of Social Workers and Social Service Workers (OCSWSSW)

  • Ontario Association of Social Workers (OASW)


Authored By Thiviyan Sithganesan

"When I'm at a 10" is an educational children’s book series designed to teach children about using mindfulness to identify and communicate their emotions. The reader follows along as the main character describes their feelings, which gradually intensify over the course of the book, on a scale from 1 to 10. These books are designed for parents and caregivers to engage in dialogue with children about recognizing their emotions and communicating them with others effectively.

Cover of the book "When I'm at a 10: Hope"

When I'm at a 10: Hope

In this book, Devyn, a young girl, shares her journey with a yellow canary, which symbolizes her hope. Devyn explains how her hope gradually grows from 1 to 10, and it's an excellent resource for teaching children about the power of hope and how to become more aware of their emotions!

When I'm at a 10: Worry

The protagonist, Kevin, is a young boy, who is afraid of a green hedgehog, which represents his fears. Kevin shares his experience of how his anxiety gradually increases from 1 to 10, and it's an outstanding educational resource to help children learn about anxiety and the importance of emotional awareness!

Cover of the book "When I'm at a 10: Worry"
Cover of the book "When I'm at a 10: Sadness"

When I'm at a 10: Sadness

This story centers around a young boy named Evan and a blue dog that represents his sadness. Evan narrates how his sadness builds from a 1 to a 10. This book serves as a tool for teaching children about sadness and how to mindfully manage their emotions!

When I'm at a 10: Anger

This book features a young boy named Bevan and a red bee representing his anger. Throughout the story, Bevan describes how his anger goes from an intensity of 1 to a 10. This is the perfect book to teach children about anger and how to be mindful of their emotions!

Cover of the book "When I'm at a 10: Anger"


Ask Thiviyan any questions you have about getting started with therapy.


Bliss Counselling + Psychotherapy
69 Main St. E
Milton, ON L9T 2Y6

This location is accessible by appointment only for in-person sessions offered through Bliss Counselling + Psychotherapy


If this is an emergency or you are in crisis and require immediate assistance, please call 911; your local distress line; or go to your nearest emergency department.

Business Hours 
Monday10am - 8pm
Tuesday10am - 8pm
Wednesday10am - 8pm
Thursday10am - 8pm
Friday10am - 3pm

These hours are available online for booking. Contact Thiviyan for availability outside of these hours.