Mark has coached or consulted leaders in the following organizations:

• Albemarle - North America & Europe
• Balfour Beatty Construction
• Blue Cross Shared Services
• Citi Smith Barney
• FedEx
• Franke Foodservice Systems - North America, Europe, & Asia
• Hewitt Associates
• Ingram Content Group
• ITW Dynatec
• John Deere - North America, Europe, & Asia
• Kroll
• Lipscomb University
• Microsoft - North & Central America, Europe, & Asia
• NASA
• Social Security Administration
• Saint Thomas Health Services
• SK Telecom - Asia
• State of Tennessee
• Tennessee Housing Development Agency
• The Oasis Center
• Vanderbilt Center for Better Health
• Vanderbilt University