Sheldon completed his Master of Arts in Counselling Psychology at Western University and developed a style and approach as an existential-humanistic, person-centred therapist. Sheldon has worked in a variety of settings including community, post-secondary institutions, and private practice. Sheldon has worked from a number of models including Acceptance and Commitment Therapy, Cognitive Behaviour Therapy, Dialectical Behaviour Therapy, and Compassion-Focused Therapy. He has been trained in Level 2 Gottman Method Couple's Therapy.

Sheldon believes in the strengths and resources of every client and works with every client in a partnership for clients to meet their potential. Often working with a model focused on client goals, values, acceptance and understanding of emotions, Sheldon works with clients to develop new insights and perspectives. He believes that this insight can lead to important and long-lasting changes which can make one’s experience more comfortable. From an Acceptance and Commitment Therapy perspective, Sheldon believes that we can allow and accept uncomfortable emotions and thoughts without getting caught up in them, while we work towards values-driven goals and actions.