Oscar Samuel Gershanik. MD, graduated magna cum laude from the School of Medicine, University of Buenos Aires in 1972. He did his basic neurology training under the mentorship of Prof. Alfred Thomson at the French Hospital in Buenos Aires. He furthered his training in clinical and basic research in the US, first in NY under Prof. Melvin Yahr and then at the UMDNJ, Robert Woods Johnson Medical School under Prof. Roger Duvoisin, where he held an appointment as associate professor of neurology and neuropharmacology. He is professor of neurology and scientific director at the Institute of Neuroscience, Favaloro University and director of the Laboratory of Experimental Parkinsonism (ININFA-CONICET) in Buenos Aires, leading a group of researchers, postdoctoral and doctoral fellows, using pre-clinical models of PD and applying different behavioral, histological and molecular tools in an attempt to unravel the plastic changes, both at the structural and molecular level, of levodopa-induced dyskinesias. He is also currently the president-elect of the International Parkinson and Movement Disorder Society.