Increasing diversity in the . population has sharpened concerns about the vitality and diversity of the clinical research workforce, concerns that have persisted for two decades. Our nation’s unprecedented level of investment in biomedical research has led to an explosion of new knowledge about human health and disease, but basic research achievements must be translated into treatments and therapies in order to benefit human health. This translation requires clinical research conducted by outstanding scientists, physicians, and other health professionals who understand the complexities and nuances of health and disease among different population groups