Ralph M. Trüeb is Professor of Dermatology. He received his MD and Swiss Board Certification for Dermatology and Venereology as well as for Allergology and Clinical Immunology from the University of Zurich, Switzerland. In 1994–1995 he spent a year at the University of Texas Southwestern Medical Center at Dallas with Rick Sontheimer and at the Howard Hughes Medical Institute in Dallas with Bruce Beutler to complete his Fellowship in Immunodermatology. After 20 years of tenure at the Department of Dermatology, University Hospital of Zurich, where he established and was head of the Hair Consultation Clinic, he established in 2010 his private Center for Dermatology and Hair Diseases in Zurich-Wallisellen. He is past President of the European Hair Research Society (2008–2011). His clinical research interests focus on hair loss, inflammatory phenomena, hair aging and anti-aging, and patient expectation management. He is currently author of 180 peer-reviewed scientific publications and author or editor of a number of textbooks on hair, including the Springer books Male Alopecia: Guide to Successful Management (2014), Female Alopecia (2013) Aging Hair (2010), and Hair Growth and Disorders (2008). Since 2013 the Center for Dermatology and Hair Diseases offers doctors-in-training and dermatologists international traineeships in trichology.