Pierre Amarenco is Professor of Neurology at Paris University, Paris, France and chaired the department of Neurology and Stroke Center and SOS-TIA clinic at Bichat hospital until 2022. He leads the stroke research program at Bichat hospital.Starting 2022, he is Visiting Professor of Stroke Research and Brain Health at McMaster University and Senior Scientist at Population Health Research Institute (He has published more than 450 research papers, reviews and book chapters; he contributed to the descriptions of cerebellar infarctions, aortic arch atherosclerosis in relation with stroke, risk factors for stroke (including genetic and metabolic risk factors), and was a member or chair of Executive or Steering Committees of many clinical trials using antithrombotic agents, lipid-modifying agents (including SPARCL, Treat Stroke to Target, ARCH, XANTUS, SOCRATES, THALES, SPIRE and PROMINENT trials) or acute revascularization (RECANALISE study), and is leading the TIAregistry.org registry.He now leads the RIISC-THETIS trial which is investigating low dose colchicine (addressing the role of reducing inflammation) and ticagrelor vs aspirin in long-term secondary prevention of strokeHe was Senior European Editor for Stroke journal (July 2010-July 2020)Together with his wife, he is the founder President of the “Vaincre l’AVC” foundation (French Stroke Foundation)Main Papers1. Amarenco P, Duyckaerts C, Tzourio C, et al. The prevalence of ulcerated plaques in the aortic arch in patients with stroke. N Engl J Med 1992;326:221-2252. Amarenco P, Cohen A, Tzourio C, et al. Atherosclerotic disease of the aortic arch and the risk of ischemic stroke. New Engl J Med 1994;331:1474-14793. Amarenco P, Cohen A, Hommel M, et al. Atherosclerotic disease of the aortic arch as a risk factor for recurrent ischemic stroke. N Engl J Med 1996;334:1216-12214. Amarenco P, Bogousslavsky J, Callahan A, 3rd, et al. High-dose atorvastatin after stroke or transient ischemic attack. N Engl J Med 2006;355:549-595. Amarenco P, Lavallée PC, Labreuche J, et al. One-year risk of stroke after transient ischemic attack or minor stroke. N Engl J Med 2016;374:1533-426. Amarenco P, Lavallée PC, Monteiro Tavares L, et al. Five-year risk of stroke after TIA or minor ischemic stroke. N Engl J Med 2018;378:2182-907. Amarenco P, Kim JS, Labreuche J, et al. Comparison of 70 mg/dL and 100 mg/dL target LDL cholesterol levels after ischemic stroke. N Engl J Med. 2020;382:9-198. Amarenco P. Transient Ischemic Attack. N Engl J Med. 2020;382:1933-41