Dr. Mackay has been a resident of Las Vegas for 35 years. He co-founded Orthopaedic Specialists of Nevada and practiced as a board certified orthopaedic surgeon for 27 years before retiring in 2006. He was a former staff physician at UMC, Valley, Sunrise, Desert Springs, Mountainview, Summerlin and North Vista Hospitals. In 1966 Dr. Mackay graduated from Marquette University with a B. S. degree in biology and in 1970 graduated from the Medical College of Wisconsin. For 2 years he worked as an emergency medicine physician and general practitioner. He spent 16 months as a general surgery resident, and in 1977 completed his 3 years of orthopaedic training in Phoenix, Arizona. Dr. Mackay served for 6 years as a member of the Board of Councilors, an advisory board to the American Academy of Orthopaedic Surgeons. He has also served as a member of the board of directors of a Las Vegas community bank and a Las Vegas trust company.