Prof. Paasch received his academic training at the University of Leipzig. Since 2001 he serves as senior physician at the Department of Dermatology and Venerology at the University of Leipzig and visiting professor Bispebjerg University Hospital Copenhagen. In his current position he oversees the activities of the andrology. Professor Paasch has been publishing numerous scientific papers in the field of cutaneous lasers applications, cell biology and in immunohistochemistry methods. Since 2015 he serves as medical director of a specialized practise for general, surgical and aesthetic dermatology next to the laser research Institute Tiliaderm.