Dr. Shirley Carmack could easily be called the grandmother of network marketing. She discovered the profession nearly thirty-eight years ago and has been with her current company for over twenty-five years. Shirley Carmack is a retired nurse-anesthetist who also holds a Ph.D. in psychology. In 1987, she left her career after witnessing an increasing incidence of chronic degenerative diseases, and became a full-time wellness practitioner and network marketer. Today, in her mid-sixties, Shirley runs an organization spanning four continents and continues to recruit new people into her business.