St. Marie is a certified adult, gerontology, primary care nurse practitioner, pain management certified through ANCC. She has a PhD from the University of Wisconsin. She completed postdoctoral studies in pain and associated symptoms at the College of Nursing, University of Iowa, from 2012-2014. She has been editor of the first and second edition of the Core Curriculum for Pain Management Nursing through the American Society for Pain Management Nursing. As principal investigator on three grants, her research focuses on patients with pain and receiving opioids in a methadone clinic, in primary care, as well as advanced practice nurses prescribing opioids for those with chronic pain. St. Marie is finishing up as co-investigator of an NIH funded grant, conducting a feasibility study on Preventing Persistent Post-surgical Pain and Opioid Use in Veterans: Effect of Acceptance, Commitment Therapy (ACT); and as the Principal Investigator on a study titled, “Prescriptive Decision Support for Persistent Pain and Risk for Opioid Misuse.” Dr. St. Marie is now the Principal Investigator on a study funded through the National Institute on Drug Abuse titled, Decision Support for Responsible Pain Management. She is an assistant professor at the UI College of Nursing, where she teaches pathophysiology in the DNP program.