Mark Holmes, Ph.D., is a Professor in the Department of Health Policy and Management in the University of North Carolina Gillings School of Global Public Health and Director of the Cecil G. Sheps Center for Health Services Research, where he serves as PI of the AHRQ-funded NRSA Predoctoral and Postdoctoral Training Program in Health Services Research. He is also the Director of the North Carolina Rural Health Research and Policy Analysis Center.