Marek HAFTEK, M.D., Ph.D. is a trained dermatologist educated at the dept. of Dermatology directed by Prof. Stefania Jablonska in Warsaw, Poland. He graduated from Warsaw Medical Academy, Poland (M.D.) in 1975; passed the board exams in dermatology and venereology in 1978-81 and Ph.D.thesis in 1979. His caeer as a resercher continued in Lyon, France under direction of Prof. Jean Thivolet. He became an Associate professor at Lyon University, France in 1985-6 and Researcher at CNRS in 1986. In 1994, he obtained the habilitation to direct research and the Research Director degree in 1996. Director of the research unit EA4169 “Fundamental, clinical and therapeutic aspects of the skin barrier function” at the University of Lyon (2006 – 2015), he became a member of The Laboratory of Tissue Biology and Therapeutic Engineering (LBTI, UMR5305 CNRS/University of Lyon) in 2016, where he still works as an emeritus Research Director.