The lecture series Selected Topics on Charge Carrier Transport in Organic Semiconductors starts with lecturers from TU Dresden and the Leibniz Institute for Solid State and Materials Research (IFW Dresden). Frank Ortmann (cfaed) today presents an introduction to Transport in Organic Semiconductors from a theoretical point of view. The aim of this course is to combine the experience of various experts from Dresden in this field and to pass the knowledge on to students and doctoral students.