Dr. O'Donnell is the Director of the Health Management Research Center in the School of Kinesiology of the University of Michigan. Formed in 1978, the Center has helped more than 1000 worksites measure the health risks of their employees; calculate the link between health risks, medical costs and productivity; evaluate the impact of their health promotion programs; and in the process, establish the scientific foundation for this area of research. Dr. O'Donnell has worked directly with employers, health care organizations, government agencies, foundations, insurance companies and health promoti...