Shannon MacDonald is a pediatric nurse who made the leap from ICU to public health in order to play a more proactive role in the protection of child health. Her research focuses on supporting immunization best practice, programs, and policy and promoting informed decision-making by parents. She is particularly interested in vulnerable populations, including supporting immunization services for Indigenous children. Her graduate training was in nursing, public health, and epidemiology and she has participated in various international maternal-child health projects. She is currently an Assistant Professor in the University of Alberta Faculty of Nursing, with Adjunct positions in the University of Alberta School of Public Health and the University of Calgary Department of Pediatrics. Her research is funded by CIHR, the Public Health Agency of Canada, and the Alberta Ministry of Health and she is a member of the Canadian Immunization Research Network. Her research collaborations with clinicians and policy-makers feed her passion for answering real world clinical practice and policy questions that impact child health.