Catherine L. Witt, PhD, APRN, NNP-BC has been a neonatal nurse practitioner for over 30 years, working in both tertiary and community neonatal intensive care units. She is the previous coordinator of the Neonatal Nurse Practitioner Program at Regis University in Denver, Colorado and currently serves as the Dean of the Loretto Heights School of Nursing at Regis. She is past president of the National Association of Neonatal Nurses (NANN), and the National Certification Corporation (NCC). She also served as editor-in-chief of Advances in Neonatal Care, the official journal of NANN. She has authored many articles and book chapters and presented at local and national conferences. Carol M. Wallman, DNP, APRN, NNP-BC is a neonatal nurse practitioner with over 30 years of clinical experience in community and tertiary neonatal intensive care units and neonatal transport. She has been involved in the National Association of Neonatal Nurses (NANN) and the National Certification Corporation (NCC) in a variety of leadership roles including being a member on the Board of Directors for both organizations and the President of NCC. She is currently the Coordinator of the Neonatal Nurse Practitioner Program at Regis University in Denver, Colorado. Her area of scholarship includes neonates born to mothers with substance use disorders and the impact of the legalization of marijuana on the developing fetus and neonate and late preterm infants. She has authored several articles and book chapters, and presented nationally and internationally.