Facebook-f Instagram Linkedin-in
New Clients Book Now

Meet Our Team

Compassionate professionals dedicated to supporting your mental wellness journey.

Our Therapists

Our therapists are here to help you navigate life’s challenges. Choose someone who resonates with you and book your session today.

Intern Therapist

Maggie Philemon

MDiv Clinical Counselling Candidate
Father Kyrillos
Therapist

Father Kyrillos Fakhouri

Registered Psychotherapist (Qualifying), MDiv
Nesrine smiling at the camera while standing in the office
Therapist

Nesrine Riskalla

Registered Psychotherapist Qualifying (RPQ)
Michael Wassef, therapist with Cornerstone Family Counselling Services, Mississauga, Ontario
Therapist

Michael Wassef

Registered Psychotherapist RP
Kylie smiling at the camera, looking directly into the lens
Therapist

Kylie Posteraro

Registered Psychotherapist (RP)
Yousif Farag, therapist with Cornerstone Family Counselling Services, Mississauga, Ontario
Therapist

Yousif Farag

Registered Psychotherapist RP
Ruth standing in a doorway smiling
Therapist

Ruth Smith

Registered Psychotherapist (RP) Psycho-Spiritual Therapist Language(s): English
Samir sitting at the desk and looking at the camera
Therapist

Samir Girguis

Master of Divinity (MDiv.) Registered Psychotherapist (RP) Registered Marriage and Family Therapist (RMFT) Language(s): English, Arabic
Marian Shinuda, therapist with Cornerstone Family Counselling Services, Mississauga, Ontario
Therapist

Marian Shinuda

Registered Psychotherapist RP(Q)
Lisa the therapist standing and leaning to one side a little and smiling looking at the camera
Therapist

Lisa Harriott

Master of Divinity (MDiv.) Registered Psychotherapist (RP) Registered Marriage and Family Therapist (RMFT) Language(s): English
Father Botrous looking at the camera and smiling
Therapist

Father Botrous Philopos

Master of Divinity (MDiv.) Registered Psychotherapist (RP) Marriage and Family Therapist (MFT) Language(s): English, Arabic
Evelyn looking directly at the camera and smiling
Therapist

Evelyn de Mos

Master of Divinity (MDiv.) Registered Psychotherapist (RP) Registered Marriage and Family Therapist (RMFT) Language(s): English

Your time is valuable, and so is your well-being. Don’t delay the care you deserve—book a session or connect with our intake team today

Book your appointment now
Book your 15 minute no cost consultation

Out of Office Notice

We will be closed starting Wednesday, December 24, 2025 at 1:00 PM and will reopen on January 5, 2026 at 9:00 AM.

If you are experiencing a mental health emergency or crisis:

  • Go to your nearest emergency room or call 911.
  • Call or text 988 (Suicide & Crisis Lifeline).

You can also find more local emergency resources here

More resources

Cornerstone understands that your mental health comes first. If you wish to speak to a therapist on call, please leave us a message at 905.214.7363 with your name, phone number and a reason for your request.

Wishing you a peaceful and blessed Christmas season.