Welcome to Waterloo Psychology Group, a collection of warm and caring professionals providing high-quality assessment, therapy, and consultation services in Uptown Waterloo. Our clinic is comprised of highly skilled psychologists with advanced training in Cognitive Behavioural Therapy (CBT) and other empirically-supported therapies. Our approach is informed by science and tailored to fit each person's current needs.
Our Philosophy
At Waterloo Psychology Group, we pride ourselves on our dedication to excellence in mental health services. Our staff take a warm, welcoming approach that emphasizes understanding and compassion for the challenges that our clients are dealing with in their lives. Our commitment is to help clients overcome the challenges that may be preventing them from reaching their personal goals. We approach our work from a perspective of mental wellness, not mental illness. Our assessment and consultation approach recognizes the need to deliver information in an expert, but understandable, manner. We strive to provide clients with the support they need to overcome life's hurdles and meet their health, happiness, and productivity goals.
Our Team
Our team of psychologists has advanced education and training in the assessment, diagnosis, and treatment of behavioral, cognitive, and emotional problems. Our team includes:
- Dr. Brian Mainland: Co-Director of Waterloo Psychology Group, Psychologist, and Neuropsychologist
- Dr. Valerie Vorstenbosch: Co-Director of Waterloo Psychology Group, Psychologist
- Dr. Tammy Drain: Psychologist
- Dr. Kathleen (Katie) Mak-Fan: Pediatric Neuropsychologist
- Dr. Ava Agar: Psychologist
- Dr. Janis Williams: Psychologist
- Dr. Otavia Propper: Psychologist
- Dr. Kate Pan: Psychologist
- Jenna Dawson: M.A. Psychological Services
- Alyssa Durbin: M.Psy. Psychological Associate
- Dr. Holly Fernandes: Psychologist and Neuropsychologist
- Dr. Jennifer Pink: Psychologist
- Dr. Danielle Blackmore: Psychologist
- Chelsea Stevenson: M.A. Psychological Associate
- Dr. Farena Pinnock: Psychologist and Neuropsychologist
- Laura Colucci: M.A. Psychological Services
- Jessica Wiebe: B.Sc. Psychometrist
- Sarah Henderson: BSW Psychometrist
- Kim Kummer: B.A. Office Administrator
- Beverly-Ann Hoy: Undergraduate Student Volunteer
- Aksaya Ghetheeswaran: Undergraduate Student Volunteer
Our Services
At Waterloo Psychology Group, we offer a range of services designed to help individuals, couples, and families overcome challenges, gain new insights, and develop practical skills to enhance their mental well-being. We provide:
- Psychotherapy: We offer evidence-based psychotherapy approaches to help individuals manage mental health challenges such as anxiety, depression, trauma, and relationship issues.
- Assessment: Our psychologists conduct comprehensive assessments to diagnose and understand the nature of an individual's mental health concerns.
- Seminars and Workshops: We offer educational seminars and workshops on mental health topics, providing individuals and groups with knowledge and skills to manage mental health challenges.
Our Clinic
Our clinic is located in Uptown Waterloo and is easily accessible by public transportation. Our office environment is friendly and private, providing a comfortable and supportive setting for individuals to work through their mental health challenges. Our staff take a warm, welcoming approach that emphasizes understanding and compassion for the challenges that our clients are dealing with in their lives.
Contact Us
If you or a loved one is dealing with emotional or interpersonal challenges, or if you are looking for help to better understand your learning style to optimize your real-world functioning, you have found the right place! We tailor our services to meet your needs, ensuring a highly individualized treatment and assessment experience. Welcome to Waterloo Psychology Group. We look forward to meeting you!
Overall Experience
The reviewers have reported overwhelmingly positive experiences at the Waterloo Psychology Group. They have praised the team's compassionate professionals, welcoming atmosphere, and helpful services.
Staff and Services
The psychologists at the Waterloo Psychology Group have been described as compassionate, patient, and wise. Dr. Janis Williams has been specifically mentioned for her great job in conducting Psychoeducational Assessments, while Dr. Mainland has been praised for his ability to work with patients on both psychological and neuroplasticity aspects of their issues.
Personal Growth and Development
The reviewers have reported significant personal growth and development as a result of working with the Waterloo Psychology Group. They have mentioned feeling more hopeful about their future, having a new perspective on their challenges, and experiencing life-changing outcomes.

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