Professor Jan Kottner obtained his master in Nursing Science and Education in 2007 after having worked as registered nurse in several hospital settings. Measurement properties of pressure ulcer risk diagnoses and classification, statistical process control methods and the epidemiology of care problems were topics of his PhD thesis and his postdoctoral qualification. From 2011 to 2020 he was the Scientific Director of the
Clinical Research Center for Hair and Skin Science at the Department of Dermatology and Allergy at the Charité-Universitätsmedizin Berlin. Since 2020, he is director of the Institute of Clinical Nursing Science at the Charité – Universitätsmedizin Berlin. Key research interests of Jan Kottner are skin and tissue integrity and preventive skin care with a special focus on skin physiology, skin barrier restoration and maintenance. He has special interests in evidence-based practice including systematic reviews, guidelines, clinical trial design and conduct, and outcome development and validation. He is Associate Editor of the International Journal of Nursing Studies and member of international boards and societies focussing of skin and tissue health.