Lesley has been a registered psychologist for over fifteen years. During this time, she has developed significant expertise working within education settings in Alberta, administering a variety of assessments such as; Psycho-educational (gifted, learning disability, cognitive delay), Social/Emotional, Behavioural assessments, and DSM 5 diagnoses.  Ages range from preschool to adulthood.

She also counsels individuals struggling with issues such as; anxiety, depression, attachment, trauma, ADHD, self-harm, anger issues, learning needs, self-esteem, stress management, selective mutism, conflict, peer issues and parenting issues. As well, she has supported students and teachers in special education settings such as; mental health and behaviour classes. She also provides professional development and training in education settings to teachers and school staff to build capacity and enhance effective support to students. 

Lesley also runs psycho-educational groups for children ranging in ages from 6-16 that cover a variety of topics such as; learning styles, executive functioning, anxiety, expression of feelings, anger management, emotional intelligence, self-esteem, self-care, social skills and problem solving. 

Lesley has a keen interest and extensive experience working with high-risk youth in the area of trauma. She is certified in the Neurosequential Model of Therapeutics developed by Dr. Bruce Perry.  She also trains school staff and supports them to implement Dr. Stan Kutchner's Mental Health Curriculum, which teaches students about mental health and wellness.   She advocates for and supports schools/programs to implement a trauma-sensitive approach to addressing social/emotional, behavioural and learning issues for students.  

As well, Lesley works with Alberta Justice, in the Brief Conflict Intervention program to support separating parents in learning how to co-parent and provide parents with strategies for supporting their children during this difficult life event.

Lesley has been an instructor at the University of Calgary since 2013, instructing graduate level assessment courses at the Werklund Educational School Psychology Program.

Lesley is an executive board member of Minds Over Matter, an organization whose mandate is to advocate and improve access to mental health supports for all Albertans.

Typical treatment methods may include Solution Focused Therapy, Cognitive Behaviour Therapy, incorporating Mindfulness techniques, Therapeutic Play, the Neurosequential Model of Therapeutics, Psychoeducational constructs and Biofeedback.  With an approach that focuses on enhancing the understanding of how the physical, emotional, and biological aspects of the human condition work together to impact overall mental well-being. 

Lesley is a proud parent of three children, when she is not engaged in activities with her kids she enjoys golfing, skiing, music, painting, spending quality time with friends and family and reading a good book.

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​​​​​​      Impact Psychological Services Inc.       


Professional & ethical standards


Lesley Sugden M.A.

Registered Psychologist

Director of Impact Psychological Services Inc.

Lesley is a member in good standing with the College of Alberta Psychologists (CAP) 

Lesley is a member of the Psychologist Association of Alberta (PAA)Lesley is a member in good standing with the College of Alberta Psychologists and the Psychologists Association of Alberta.