Günter Burg is Professor and Chairman Emeritus University of Zurich. After attending medical school in Bonn and Marburg/Germany, he started his dermatology residency with Otto Braun-Falco at the Ludwig Maximilian University in Munich, and then stayed on as a senior faculty member. In 1970 he spent some months at the New York University Medical Center. On his return, he started the first department for Mohs micrographic surgery in Europe at the department of Dermatology in Munich/Germany. In 1988 he was offered the chairmanships in Berlin, Mainz and Würzburg, where he served from 1988-1991. In 1991 he was offered the chairmanship at the University Hospital in Zürich/Switzerland, where he stayed till his retirement in 2006. He served as Dean of the University Medical School of Zürich 2000- 2004. In addition to his clinical and scientific focus on dermato-oncology and dermatopathology, he was interested in telemedicine for teaching (e-learning) and consulting (e-consulting), in moulages and in the history of dermatology. Social activities: Social program in Nepal since 1999; founding of Strategic Partnership for Nepal (STRAPAL) in 2014. He has published over 740 peer reviewed articles and edited more than 30 books, including the WHO-book on Tumors of the Skin, two Lymphoma books and one book on Telemedicine. Recently a series of Atlases on Clinical Dermatopathology was published (G Burg and co- editors; Wiley 2015; 2019; 2021). Recently a book on "Fine Arts" titled DermARTologie/DermARTology (Inkarnat)" has been published by Springer. He is Editor in Chief of a web-based interactive dermatology training program, www.cyberderm.net, and member of the German Academy of Scientists (Leopoldina), Doctor honoris causa of the Medical University of Sofia (2005), Visiting Professor, Medical University Kathmandu, Nepal and has been awarded by the International League of Dermatologic Societies (ILDS) (2007) for his lifetime achievements, with the Otto-Braun-Falco Medal by the German Dermatologic Society (2011), with the Pro Meritis Award of the EDF for achievements for the European Dermatology and Venerology (2017) and with the Ferdinand von Hebra-Award by the Swiss Society of Dermatology and Venerology (2020).

Professor Harald Gollnick, MD, PhD, is a German specialist in dermato-venereology, allergology and dermatopathology. He is a key opinion leader in acne, non-melanoma skin cancer, and general dermatology. He started medical undergraduate training at Westfälische Wilhelms-Universität and graduated in medicine at the Free University of Berlin. After a 1 1/2 years as a medical assistant in pathology, surgery and internal medicine and obtaining his license, he was a scientific assistant at the University Medical Center in Klinikum Westend at the Dpt. Gastroenterology and Clinical Immunology. He began his dermato-venereology training in 1979 at the Benjamin Franklin University Hospital in Berlin-Steglitz, earning his Doctor of Medicine degree. Since 1984, he has been a specialist and senior physician, and in 1988, he qualified as a professor in dermatology and venereology. In 1994, he accepted a chair at the Otto-von-Guericke University Magdeburg. He was vice-dean of the Medical Faculty in 1998 and served on the faculty council from 1995 to 2015. He is Past President of the German Dermatological Society and was German delegate in the Union européenne des médicins specialistes for over 15 years and president. He has over 450 peer-reviewed and over 250 other publications (proceedings, reviews, book contributions etc.) Beside being a member of the Board of Directors of the European Academy of Dermatology and Venereology and vicechair for ten years of the scientific committee he was the Secretary-General and President of the European Dermatology Forum (EDF). He is also the Founder and Past Chairman of the German Acne Academy and for 10 years Chairman of the Global Alliance Acne. Currently, he works in private office and acts as an advisor for international consultant agencies and is honorary member of several national societies worldwide.

Professor Martine Bagot, MD, PhD, is the former Head of the Dermatology Department at Hôpital Saint-Louis, Université Paris Cité. Her expertise lies in the clinical and therapeutic aspects of diagnostics, treatment, and care for various lymphomas, including T and B cell cutaneous lymphomas.

Professor Bagot is actively involved in ongoing projects such as the Expert Group for Clinical Patients Management System and the development of innovative treatments for cutaneous T-cell lymphomas. Professor Bagot has been President of European Dermatology Forum and EORTC Cutaneous Lymphoma Group. She is honorary member of several European societies. She is author and co-author of 774 peer reviewed publications.

Professor Jonathan White, MD, PhD, is a Dermatologist, clinician and academic in both London and Brussels. specializing in inflammatory skin diseases and allergy. He has extensive experience as a consultant at the St John's Institute of Dermatology in London and currently conducts academic work at the Université Libre de Bruxelles in Belgium. He is a member of the Medical and Scientific Committee of the World Health Organization for ICD-11 in Geneva. He has published over 100 original research articles and is an author in the Rook dermatology textbook. He is co-Editor in Chief of the Journal Contact Dermatitis and works on disease classification at the WHO. Professor White's work focuses in particular on skin allergy, inflammatory skin conditions, and complex medical cases, especially atopic dermatitis (eczema). His professional memberships include the Royal College of Physicians of London, the Royal Society of Dermato-venereologists of Belgium, the European Society of Contact Dermatitis, the European Academy of Dermato-venereology, the European Dermatology Forum, and the European Academy of Allergy and Clinical Immunology. Professor White holds clinical posts at King Edward VII Hospital in London and Hôpital Erasme in Brussels, Belgium.