Dirk Dressler is Full Professor of Neurology at Hannover Medical School, Hannover, Germany and Co-Director of the Neurotoxin Research Center, Tongji University Medical School, Shanghai, China. He pioneered botulinum toxin therapy in Europe.
Mark Hallett is an Emeritus Scientist at NIH and a former president of the International Parkinson and Movement Disorder Society. Winner of the 2017 Lifetime Achievement Award of the International Neurotoxin Association, his research focuses on the pathophysiology of movement disorders.