1. Orthopaedic Surgeon, CHI St. Alexius Health, Williston, ND, USA
2. Professor, Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA
3. Orthopaedic Surgeon, Rush University Medical Center, Chicago, IL, USA
4. Chief Executive Officer, OrthoVirginia, North Chesterfield, VA, USA