Mark Leheney, MS, CLC, is a senior consultant with Management Concepts in Vienna, VA, where he coaches, trains, facilitates and consults. His work is focused in the areas of leadership, management and teams.

Mark completed the Georgetown coaching program in 2003, and prior to that the Georgetown training program. He holds a master's degree in Organization Development and Knowledge Management.

His book, The Five Commitments of a Leader, was published in 2008.

Mark has a special interest in Jungian psychology, including psychological type, archetypes, midlife change and adult development.

Mark can be contacted at 703-270-4148 or