Trauma and PTSD Therapists in Thornhill, ON

Cassandra Tennriello

Cassandra Tennriello

Registered Psychotherapist

Virtual

Hi! I'm a Registered Psychotherapist and Canadian Certified Counsellor with 11 years of experience. I walk alongside my clients as they heal, whether supporting emotional regulation, processing trauma, or navigating life transitions. I use an integrative approach, drawing from different theories, modalities, and approaches that fit their unique needs!

Donnica Campbell

Donnica Campbell

Registered Social Worker/ Psychotherapist

Virtual

Beginning therapy can feel like a vulnerable step, and it can also open the door to greater grounding, clarity, and self-connection. I work from a trauma-informed and inclusive approach. Together, we’ll explore what healing looks like for you, at a pace that feels supportive, and work toward feeling more connected, empowered, and well.

Erin Ibrahim

Erin Ibrahim

Registered Psychotherapist (Qualifying), MACP, EMDR, ADHD-CCSP, BA

Virtual

Whether you’re dealing with anxiety, relationship stress, self-esteem struggles, or just feeling stuck, we can work through it together. Pulling from a variety of frameworks to instead suit your unique needs instead of making it feel one-size-fits-all, I have interest in anxiety, depression, relationships, attachment, neurodiversity, and self-esteem. I look forward to connecting!

Lindsay Renaud

Lindsay Renaud

Registered Psychotherapist, MACP, ADHD-CP, BEd, HBA

Virtual

Does stress, relationship troubles, anxiety, ADHD, or trauma have you feeling stuck? Do you wish you “felt better?” or wish to feel more like yourself again? Do you want to better understand how your past effects your present? Are you wanting to reconnect in your relationship? Are you a parent with a child needing a hand? I'll support you in reaching therapy goals by helping create more...

Carol D.B. Whaley

Carol D.B. Whaley

Psychotherapist

Virtual

I am a Vancouver based Psychotherapist in a diverse and inclusive Private Practice offering both in person and virtual sessions. I have over 22 years of extensive clinical experience working with individuals, couples, families and groups. I work with all ages on any issues that are getting in the way of the client experiencing life to its fullest in the very personal way they want to live.

Jen Chan

Jen Chan

RP (Qualifying), MACP (InP), BBA

Virtual

I’m Jen, a therapist-in-training offering a safe, client-centred space to navigate anxiety, depression, burnout, cultural identity, relationships, parenting, workplace stress, and youth challenges. My integrative approach blends Person-Centred, ACT, EFT, and mindfulness-based, yoga- and somatic-informed practices.

Gulrukh Khan

Gulrukh Khan

Registered Psychotherapist, Qualifying

Virtual

Helping South Asians, immigrants, and BIPOC individuals break free from cultural pressures, heal from trauma, people-pleasing, anxiety, guilt, and perfectionism as they embrace their true identity, and build a life that honours both heritage and personal well-being. At Empowering Roots in Brampton, Ontario, we offer culturally sensitive therapy tailored to your unique experiences.

Mahum Ahmed

Mahum Ahmed

Registered Social Worker

Virtual

Struggling with anxiety, depression, trauma, or PTSD? You may feel overwhelmed or stuck and want deeper understanding—not just symptom relief. I offer compassionate, tailored therapy using evidence-based approaches like CBT. Together, we’ll build emotional regulation, stronger relationships, and a more fulfilling, empowered future.

Victoria Brassard Counselling

Victoria Brassard Counselling

Registered Psychotherapist (Qualifying)

Virtual

Hi, I'm Victoria Brassard-Monahan, a Registered Psychotherapist (Qualifying) with a Master of Counselling Psychology and an Honours Bachelor of Arts in Psychology (with Distinction). I am currently practising under the supervision of Kim Lawrence (BScH, MSW, RSW). I work best with folks seeking counselling for anxiety, ADHD support, burnout, grief, childhood trauma, PTSD, and relationship issues.

Sydney Tricand

Sydney Tricand

Registered Psychotherapist

Virtual

Are you navigating the tender seasons of family building, pregnancy, postpartum, or early parenthood? You might feel overwhelmed, unlike yourself, or wonder if you’re experiencing postpartum anxiety or depression. A tough birth, NICU stay, feeding issues, or grief may have shaken your sense of self, body, or relationships. Are you hoping to feel more seen and understood in this vulnerable time?

Shelley Sayle-Udall

Shelley Sayle-Udall

Registered Psychotherapist (RP)

Virtual

I’m Shelley, a psychotherapist offering integrative, mind–body therapy that goes beyond talk therapy. My work combines insight with nervous system, physiological, and gut–brain understanding to help clients truly make sense of their experiences. Through psychoeducation and compassionate support, I help people reconnect with their inner wisdom and create meaningful, lasting change.

Allison Clayton

Allison Clayton

Registered Psychotherapist

Virtual

Are you tired of the 'sunshine, butterflies and rainbows' idea of therapy? You aren't here for surface-level advice, trying to “just think positive,” or having to worry about judgment. I am here to provide you with tools that work individually for you and conversations that matter - on both a human level and from an evidence-based approach.

Justine Little

Justine Little

Registered Social Worker

Virtual

Do you feel like you're stuck in old patterns? Are you always zoning out or in crisis mode? Do you struggle to connect with your body and aren't quite sure what it means to feel your feelings? Would you prefer to work with a queer therapist with experience supporting 2SLGBTQ+ folks and who is committed to integrating social justice into therapeutic work?

Matteo Castelli

Matteo Castelli

Registered Psychotherapist & Counsellor

Virtual

Matteo Castelli has over 15 years of experience providing psychotherapy, group education, counselor training, and mental health advocacy. With an educational background including a Master’s in Counseling Psychology and an Honours Bachelor’s degree in Psychology, he brings both academic knowledge and practical experience to his work with clients.

Samantha Szirmak

Samantha Szirmak

Registered Psychotherapist

Virtual

It takes incredible courage to seek help whether you are currently hurting, overwhelmed, or searching to get to know yourself better. As your therapist, I am honoured to provide a safe space for you to tell your story, open your heart, and guide you towards the growth and change you seek. In a caring, supportive, and non-judgmental environment, we can navigate this journey together.

Johanna Benoit

Johanna Benoit

Registered Psychotherapist

Virtual

NIHB provider, specializing in CPTSD and trauma, perinatal grief and loss, PTSD, anxiety, depression and borderline personality disorder.

Samantha Duarte Alvarez

Samantha Duarte Alvarez

Registered Psychotherapist (RP)

Virtual

New clients are welcome! I'm Sam, a Registered Psychotherapist in Ontario specializing in trauma, grief, and work stress for adults navigating difficult experiences and life transitions. Together, we work to make sense of what you’re experiencing, gently connect with your nervous system and emotions, and support meaningful shifts that feel aligned with who you are.

Dr. Marlene Taube-Schiff - Forward Thinking Psychological Services

Dr. Marlene Taube-Schiff - Forward Thinking Psychological Services

Registered Clinical Psychologist

Virtual

At Forward Thinking Psychological Services (FTPS), we provide you with warmth, compassion and tools you need to move ahead in your life and achieve your goals. Our work is evidence-based, collaborative and values-based – ensuring that every individual is a participant in their treatment and is able to become their own therapist over time. We provide treatment to individuals, couples, and families.

Aida Retta

Aida Retta

Registered Psychotherapist

Virtual

You’ve always been the one others count on—the thoughtful one, the steady one. But under the surface, you might feel anxious, resentful, or quietly overwhelmed. You say yes when you want to say no. You shrink your needs to keep the peace. You care deeply, but sometimes feel like you’re disappearing in the process. These patterns often begin in relationships where love felt conditional, conflict w…

Jennifer Oakley

Jennifer Oakley

Registered Psychotherapist

Virtual

I am a therapist honoured to support individuals looking for harmony and clarity in their life. I specialize in Grief, Anxiety, Depression, Early Childhood Trauma, Abandonment, PTSD, with a special interest in Adoption Loss and Reunion, Family Separation, and Family Conflict.