Compassionate and Understanding Psychologists and Counsellors in Thunder Bay

Here at Thunder Bay Psychology, our professional mental health team is dedicated to providing you with the care you deserve. We have decades of experience working with a variety of individuals across different age groups, social situations, and occupations.


Our team is comprised of experienced, understanding psychologists and counsellors who span various sub-fields associated with psychology and psychotherapy. The common thread that unites us at Thunder Bay Psychology is our passion to help people live more conscious, healthy, happier lives.


To achieve these goals, our professionals develop tailored plans to suit the specific needs of each of our clients. We are determined in helping you accomplish your psychological goals.


We believe that together, we can create healthier, more meaningful relationships and help one another lead better lives. Thunder Bay Psychology is proud to provide the following mental health professionals to assist you with any difficulties you may be experiencing.

Dr. Paul Johnson

Dr. Paul Johnston

Registered Clinical and Forensic/Correctional Psychologist

Dr. Johnston is a licensed registered clinical and forensic/correctional psychologist in good standing with the College of Psychologists of Ontario. Beginning in 1987, Dr. Johnston has accumulated over 30 years of hospital-based experience at both McKellar General Hospital and Thunder Bay Regional Health Sciences Centre. From 1992 until 2011, Dr. Johnston served as a Part-Time Consultant with St. Joseph’s Care Group Behavioural Sciences Centre.  Dr. Johnston has extensive experience in assessing, diagnosing and treating troubled adults with psychotherapy. This includes both inpatient and outpatient treatment.


In addition to opening his own private practice in 2011 (now Thunder Bay Psychology), Dr. Johnston is a partner in Thunder Bay Mental Health Assessments with Psychiatrist Dr. J. Stewart. To find out more about this organization, click here.


For many years, Dr. Johnston has been an adjunct professor with Lakehead University, and lecturer with the University of Toronto. He was a clinical supervisor of hospital staff, a psychotherapy supervisor for psychiatric residents, and continues to supervise university psychology graduate students in office. He is also the former director of training for the Northern Ontario Psychology Internship Consortium (NORPIC).


Dr. Johnston also works with the judiciary system. His work involves psychiatric, characterological, intellectual, risk of recidivism and malingering assessment of both forensic and correctional patients.


Dr. Johnston has performed countless psychological assessments throughout his career at the hospital, for insurance companies, employers, the Behavioural Sciences Centre as well as at his own practice, Thunder Bay Psychology.

Rev. Hugh Walker

Rev. Hugh Walker

Licensed Psychotherapist, Registered Marriage and Family Therapist

Hugh Walker is a seasoned marriage and family therapist registered with the American and Ontario Associations of Marriage and Family Therapists and a member of the Ontario College of Psychotherapists. Aside from working with us here at Thunder Bay Psychology, Hugh is currently employed as a Clinical Supervisor with St. Joseph’s Care Group and previously worked as the Family Therapy Educator for the University of Winnipeg. His service provision consists of marriage and family therapy, complex grief reactions, existential therapy, anxiety and depression therapy, emotional intelligence education, and dignifying the experience of meaningful loss along life span.


With many years of experience working with individuals and families, Rev. Hugh is very well-known and respected within our community. It gives us great pleasure to be able to offer you his services at our clinic.

Dr. Missy Teatero

Registered Clinical Psychologist

Dr. Teatero is a registered clinical psychologist with the College of Psychologists of Ontario, and has been in the field since 2008. She has experience in consultation and assessment, as well as individual and group psychotherapy.


Dr. Teatero graduated with her Masters and PhD from Lakehead University, and is currently the Co-Assistant Director of Mental Health Outpatient Programs (MHOP) with St. Josephs Care Group.


Dr. Teatero is honoured to work with various clients and has been particularly passionate over the last few years in providing services to first responders, and women who are pregnant or in the postpartum stages. She can provide Eye Movement Desensitization and Reprocessing (EMDR) therapy, Exposure and Response Prevention (EX/RP), Prolonged Exposure (PE) therapy, Cognitive Behavioural Therapy (CBT), Dialectical Behavioural Therapy (DBT), Cognitive Processing Therapy (CPT) and uses mindfulness-based therapy in her work with clients.

Dan Boudreau

Dan Boudreau

Registered Social Worker, Psychotherapist

Dan Boudreau is a licensed social worker in good standing with the Ontario College of Social Workers and Social Service Workers. He is also a member of the Ontario Association of Social Workers. Dan joined our team in 2019, but has been working full time as a Mental Health Counselor for over 25 years. For over two decades he has been working with the Thunder Bay Regional Health Sciences Centre, and is also on faculty for the Northern Ontario School of Medicine, supervising psychiatry residents for Cognitive Behavioural Therapy.


Dan is very focused on the therapeutic relationship he has with his clients, and is very passionate about working with each and every individual he sees. He has extensive training in a number of therapy models including, Cognitive Behavioural Therapy, Interpersonal Therapy, Solution-focused therapy, Acceptance and Commitment Therapy and Cognitive Processing Therapy.


He is experienced in working with people affected by obsessive-compulsive disorder (OCD), depression, anxiety, work stress, interpersonal conflict, and trauma.

To have either professional help you out, please call us.

We help our clients address current challenges and long-standing issues.

Let us make your concerns our concerns. Reach out for help!


Dr. Paul Johnston

116 May Street N

Thunder Bay, ON

P7C 3P1

Toll-Free: 1‑888‑872‑8551

Tel: 807‑628‑0752

Fax: 807‑344‑2089


Monday - Friday 09:00 AM - 08:00 PM

Saturday - Sunday Closed

Some flexibility is available.

Service Area

Proudly serving North Western Ontario.


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