Get to Know Me:
Gwen Preston, RP
Ontario Therapist
I’m Gwen — a Registered Psychotherapist working with adults and teens across Ontario who are navigating anxiety, grief, burnout, or a major life transition. My clients are often high achievers, caregivers, or helping professionals who hold it together on the outside but feel stuck, exhausted, or disconnected underneath. If that sounds familiar, you're in the right place. My approach is grounded in Acceptance and Commitment Therapy (ACT) — practical, values-driven work that builds real skills, not just insight. I have many tools on my wall, and our work together is about figuring out which ones actually fit you — building a flexible, personalized toolkit you'll keep using long after we've stopped working together. I also offer walk & talk therapy outdoors for clients who want a less clinical, more grounded setting. Additionally, through the Psychotherapy Matters Virtual Clinic (PMVC), I can connect you with a psychiatrist for diagnostic assessments — including ADHD and ASD — while keeping your therapy continuous and coordinated. All sessions are virtual, available to anyone in Ontario.
I use integrated techniques tailored to each client. I use strategies from therapies such as cognitive behavioural therapy (CBT) and mindfulness based cognitive therapy (MBCT), with a basis in acceptance and commitment therapy (ACT). I'll often say that I have many tools on my wall; and our goal is to build you a tailored, nuanced, and flexible toolbox by figuring out which of those tools are suited to you! Ideally in many situations, including long after we've stopped working together.
If you'd like to know more about my education and qualifications, please see below. If you feel ready to reach out or if you have questions, please send me an email at
gwenpsychotherapy@gmail.com, use the contact me section on the home page, or find me at the socials below!
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My Credentials
Bachelor of Science
Psychology with Honours
Undergraduate foundation in psychology theory, research, and human behaviour — completed with honours at Trent University.
Masters of Arts
Counselling Psychology with Distinction
Graduate training in counselling psychology, completed with distinction at Yorkville University. Includes a supervised clinical internship under a senior Registered Psychotherapist.
Acceptance and Commitment Therapy Training :
- Trauma Focused
- For Adolescents
Specialized training in ACT adapted for trauma and for adolescents. This means the same evidence-based approach, tailored to where a client is — whether they're processing past experiences or navigating the particular challenges of being a young person.
ACT & Ecotherapy Training
Training in ecotherapy — bringing ACT principles into natural, outdoor settings. Walking, movement, and time in nature aren't just a backdrop; they actively enhance the processing that happens in therapy. The basis for Gwen's walk & talk sessions.
CRPO member
Licensed with the College of Registered Psychotherapists of Ontario (CRPO) — the provincial regulatory body that sets professional and ethical standards for psychotherapists in Ontario.
CCPA Professional Member
Member of the Canadian Counselling and Psychotherapy Association — a national professional body supporting ethical practice, ongoing education, and advocacy for the field.