Prof. George Birkmayer, MD, PhD (born 1941 in Vienna) has a doctorate in biochemistry as well as in medicine. He became Associate Professor for Cell Biology at the University of Munich in 1988 and Associate Professor for Medical Chemistry at the University of Graz (Austria). He is author of more than 150 scientific publications and obtains a strong international profile as visiting professor at the Universities in Beijing, Guangzhou, Xi’An, Cornell University (New York) and the American College of Nutrition. He holds world-wide lectures on his research in Oncology, Neurology and Anti-Aging Medicine. He ist also the president of the International Academy of Tumor Marker Oncology (IATMO, New York).