Dónal P. O’Mathúna, PhD, MA, BSc (Pharm), is associate professor at The Ohio State University College of Nursing; associate director for research, OSU Center for Bioethics; and Cochrane Affiliate program director at the Fuld National Institute for EBP. His degrees are in pharmacy and ethics, with research interests focused on both evidence-based practice (EBP) and healthcare ethics. His EBP activities have focused on systematic reviews with the Cochrane Collaboration and he was director of Cochrane Ireland from 2014 to 2017. O’Mathúna has conducted systematic review training in Ireland, the UK and the USA, and is co-author on a number of systematic reviews in the Cochrane Library. His ethics research has focused on disasters and humanitarian crises, most recently as co-editor of Disasters: Core Concepts and Ethical Issues (Springer, 2018). O’Mathúna is the principal investigator on funded research projects examining research ethics in the context of disasters and humanitarian crises. He has contributed to ethics initiatives and guidelines with the World Health Organization, UNICEF and the UN agency for disaster risk reduction (UNISDR). As the director of a new virtual Center for Disaster & Humanitarian Ethics, he is developing practical tools and support strategies to facilitate ethical reflection within evidence-generation activities in humanitarian and disaster settings. He has spoken and published widely, including peer-reviewed articles in The Lancet, Bioethics, BMC Medical Ethics, Journal of Evidence-Based Medicine, and Worldviews on Evidence-based Nursing.