Marcia is an independent collaborative researcher investigating in vitro, in vivo, and clinical questions in the specialties of medical biofilm-related infection and vascular access. Her vast clinical experience includes critical care, post anesthesia recovery, and nutrition support. She is a past president of AVA, chair of VAPSI, past president of the AVA Foundation for Patient Safety, and a distinguished fellow of the National Academy of Practices. She has widely shared her expertise nationally and internationally.