Meet Our Team

Dr. Dawn DeCunha has been a practicing Clinical Psychologist for over 20 years. She has extensive knowledge in the assessment and treatment of complex issues in Trauma through the lifespan. She is also an Educational Psychologist, and has an interest in School related problems (behavioural, learning and social/emotional adjustment). Dr. DeCunha works with Complex Family issues and writes reports for legal purposes (Custody & Access, Parenting Capacity, and Medical-Legal). Her treatment modalities are primarily Cognitive and Behavioural, Mindfulness and Somatically based interventions. She has been qualified as an Expert in Treatment and Intervention in Childhood Trauma, Treatment and Intervention in Child Maladaptive Behaviour, Assessment of Attachment, and Assessment of Childhood Trauma.
At this time, Dr. DeCunha is accepting few patients for treatment, but continues to provide assessment services.

Dr. Olga Henderson is a senior psychologist who limits her practice to Clinical Assessments only. She has more than three decades of experience in the assessment of children, youth and adults. She has extensive experience in Family Court, conducting Sec. 30 and Sec. 54 Court Ordered Assessments.

Maria is a psychotherapist with a Master’s Degree in Counselling Psychology. Her primary area of expertise lies within individual and group therapy for adults and adolescents using the Cognitive Behavioural Therapy (CBT) model. She has also completed her Advanced Clinical Trauma Skills course.
Using the CBT model, Maria specializes in the treatment of anxiety disorders, including obsessive compulsive disorder, generalized anxiety disorder, and social anxiety. She also treats individuals with depression and those coping with adverse life experiences. Stress and bullying are prevalent issues for adolescents, requiring specialized support to help them cope.



Peggy Sam is currently in supervised practice attending Adler Graduate Professional School. She has over 4 years of experience in working with children with Autism Spectrum Disorder (ASD) and Attention Deficit Hyperactivity Disorder (ADHD). She also has experience in conducting psychological assessments for individuals involved in motor vehicle collisions. Her philosophy of care is to facilitate self-awareness and change with the individual through empathy, trust and compassion. Peggy enjoys travelling and learning new things.

Donna Is a well-established office administrator with an extensive background in medical and office administration and practice management. She is customer service oriented with a focus on respectful and professional customer service skills. Donna enjoys cooking, exercise, her pets and maintaining a healthy balance in her life.

Marley DeCunha is a young working professional Komondor. When he was 13 weeks old he had an incomplete spinal cord injury resulting in his hind legs being paralyzed. After months of therapy, he started to get better; years later he could walk again. Marley’s dream at Psychology Works is to help people remember that when life gets tough, you have to get tougher and to keep moving forward. His job at Psychology works is to ensure that there are no crumbs on the floor, everyone gets greeted, and that the plants get watered.

Jessica Rose, a graduate of the University of Guelph Commerce program, she has seven years’ of experience within business to consumer sales. Jessica will be overseeing marketing, social media, public relations, and business opportunities.

Livia Elias is the Office Manager at Psychology Works. She has a broad legal background and worked for several years with Family and Labour Law. In the past few years, Livia has dedicated herself into honing her skills and expanding her management/customer satisfaction related expertise. She looks forward to harnessing all of her abilities in order to deliver a reliable and respectful service to all of our clients. Outside of work she enjoys travelling, hiking, crocheting and spending time with her loved ones.