Dr Pille Taba is an Associate Professor of Neurology of the University of Tartu, President of the Estonian Society of Neurologists and Neurosurgeons, and Head of the Neurology Commission for the Estonian Ministry of Social Affairs. She serves as a member of the Education Committee and Secretary Elect of European Section of the International Movement Disorders Society, and of the Scientific Advisory Group of Neurology of the European Medicines Agency. Dr Pille Taba was graduated from the University of Tartu, Estonia, and received her postgraduate medical training at the University of Vienna, the Karlstad University Hospital, and the Minneapolis Clinic of Neurology. Her research interests have been focused on movement disorders: Parkinson's disease and toxic parkinsonism, in collaboration with the University College London and University of Helsinki, and neuropinfections. Pille Taba has been an invited speaker at many international congresses and educational courses. Professor of Neurology, The National Hospital for Neurology and Neurosurgery, Queen Square and Emeritus Director, Reta Lila Weston Institute of Neurological Studies, University College London, Institute of Neurology Born on Merseyside Andrew Lees qualified in medicine at the Royal London Hospital Medical College in 1970. His neurological training was at University College London Hospitals and the National Hospital for Neurology and Neurosurgery, Queen Square. He also spent time at L'Hopital Salpetriere in Paris. At the age of thirty-two he was appointed to the consultant staff at the National Hospitals, The Middlesex, and Whittington Hospitals and in 1987 he was elected a Fellow of the Royal College of Physicians. He was later appointed Professor of Neurology at the National Hospital for Neurology and Neurosurgery, Queen Square and in 1998 became Director of the Reta Lila Weston Institute for Neurological Studies. He is Clinical Director of the Queen Square Brain Bank for Neurological Disorders and Director of the Sara Koe PSP Research Centre. Professor Lees is a Visiting Professor at the University of Liverpool and has close collaborations with a number of Brazilian universities. For his contributions to Brazilian neurology he was elected an overseas member of the Academia Nacional de Medicina and the Academia Brasileira de Neurologica. He has been elected as a Council member of the Academy of Medical Sciences 2012, and received a NIHR Senior Investigators Award in 2008. He has achieved international recognition for his work on Parkinson's disease and abnormal movement disorders and was elected President of the Movement Disorder Society (2004-2006). He was co-editor in chief of the Movement Disorders Journal from 1995- 2003. In 2006, he was awarded the Movement Disorders Research Award by the American Academy of Neurology. In the last four years he has delivered the Gowers Memorial Lecture at the National Hospital, The inaugural Lord Brain Memorial Lecture at Barts and the Royal London Hospitals and David Marsden Memorial Lecture at the EFNS. He was the recipient of Stanley Fahn Lectureship Award, MDS Dublin 2012, and has been awarded the German Society of Neurology's 2012 Dingebauer Prize for outstanding scientific attainment in the field of Parkinson's disease and Neurodegenerative Disorders. In December 2013 he delivered the 11th Ludvig Puusepp Memorial Lecture at the University of Tartu, Estonia. He is an original member of the Highly Cited Researchers ISI Databasewith an h-index of 100. Katrin Sikk works as a general neurologist in North Estonian Regional Hospital. She was graduated from Tartu University in 1999 and completed the residency in neurology in 2006. She received her doctoral degree in medicine from Tartu University in 2013. The study was about parkinsonian syndrome realted to intravenous use of designer psychostimulant methcathinone, derived from pseudoephedrine using potassium permanganaate as the oxidant. Her main interests are movement disorders and toxic parkinsonism. She is member on the board of the Estonian Movement Disorder`s Society.