Didier LETOURNEUR, Engineer in Material Sciences, PhD in Chemistry from University Paris North/ Paris 13, is a Research Director at CNRS. Since 2014, he has been the Director of the Laboratory for Vascular Translational Science (LVTS with about 250 persons) affiliated with Inserm, University Paris Cité, and University Sorbonne Paris North. He also leads the team of Cardiovascular Bioengineering at Bichat Hospital in Paris. D Letourneur is the author of over 250 international publications and the inventor of 18 patents. He has more than 100 invited lectures and seminars and co-organizes numerous national and international conferences (India, Tunisia, Canada), including ESB 2022 in Bordeaux, and two Inserm training workshops for Regenerative Medicine. In 2016, he obtained the G Winter Award, the highest distinction from the European Society for Biomaterials, and 2017 the Asian Polymer Association Jubilee Award. In 2016, he founded SILTISS to develop innovative implants from polysaccharide-based materials. From 2013 to 2015, he was vice-chairman for Regenerative Medicine at the European Technology Platform for Nanomedicine (ETPN), and from 2016 to 2019, General Secretaire. From 2009 to 2019, he was President of BIOMAT, the French Society for Biomaterials. From 2016 to 2021, he was the President of the Inserm scientific committee (CSS6) on Health Technologies & Social Sciences. From 2022, he has been the President of the Scientific Council of Inserm.