Sylvain received his Ph.D. in molecular imaging from the University of Paris in 2017 working on the variability of response to opioids using PET imaging, with a focus on neuroinflammation. He also completed in 2017 his Pharm.D. in Radiopharmacy at the University of Paris and has collaborated with the Service Hospitalier Frédéric Joliot (SHFJ) of the CEA since 2013 under the supervision of Dr. Nicolas Tournier. He is currently assistant professor in Pharmacokinetics/Radiopharmacy at the University of Paris and pharmacist at Necker Hospital. His research activities are focused on the understanding of the drugs tissue PK/PD relationship with PET.