​Hans Henkes studied Medicine and Psychology at the Freie Universität Berlin since 1977 and graduated from medical school in 1985. After residencies in Clinical Neurophysiology, Radiology and Neuroradiology, with board certifications in 1992 and 1993, he started training in Interventional Neuroradiology at the Krupp Krankenhaus in Essen, Germany, in 1991. After a dissertation in 1989 in Neurophysiology, he received the Venia legendi for Neuroradiology in 1999, with an extraordinary professorship for Neuroradiology at the University Duisburg-Essen in 2006. Since 2007, he has been Medical Director of the Neuroradiological Clinic at the Klinikum Stuttgart, which is, in terms of numbers of patients and procedures annually, one of the largest institutions of this kind in Europe. He co-authored some 200 publications in peer-reviewed journals with an h-index of 40 and 5900+ citations. He is the co-inventor of some 60 patents on neurovascular devices, including the Solitaire stent invention. In 2008, he did with this stent the first successful stent-retriever thrombectomy for acute ischemic stroke treatment. In 2017, he received the CIRSE “Award of Excellence and Innovation in Interventional Radiology” for the invention of stent thrombectomy. In 2013 and in 2020, he was awarded a “doctor honoris causa” title by Dnepr and Budapest's medical schools, respectively. José E. Cohen studied Medicine at the National University at Rosario, Argentina, from 1955 to 1990 and graduated from medical school “summa cum laude“. He started his residency in Neurosurgery in 1991 and finished it in 1997. During this residency period, he traveled to USA, Israel, and Canada for vascular surgery and radiosurgery training rotations. In 1997, he started his neuroendovascular training at ENERI in Buenos Aires. Immediately after finishing my training in 2001, he was appointed Medical Director of the Vascular Neurosurgery and EndovascularNeurosurgery and Interventional Neuroradiology divisions at the Hadassah-Hebrew University Medical Centers in Jerusalem, Israel. This center is in terms of numbers of patients and procedures annually among the most active institution of this kind in the Middle East and participated in many multicentric clinical studies. Professor Cohen co-authored some 200 publications in peer-reviewed leading journals and books and actively participated in more than 200 international scientific meetings. He is a reviewer for leading journals and medical advisor-proctor of some of the largest medical companies in the neurovascular field. He teaches different courses at the medical and nursing schools at Israeli universities. Recently he was awarded by the national government for significant contributions to the Israeli society. In 2019, he was appointed full professor of Neurosurgery at the Hebrew University of Jerusalem.