After completing her PhD, Dr. McCullough began working as a Research Health Scientist at the Center for Healthcare Organization and Implementation Research (CHOIR), a position she holds today. This, along with a stint at the Training Institute for Dissemination and Implementation Research in Health (TIDIRH), has allowed her to developed notable research skills. She has garnered her numerous grants (three of which are current), participated in many roundtables and is active in many medical societies including The American Anthropological Association, The Society of Medical Anthropology, and The Society for Applied Anthropology.