Cedric Ryngaert studied law at Leuven University (2001) and defended his PhD on jurisdiction in international law at the same university (2007). In 2007, he joined Utrecht University as a lecturer. Since 2014 he is chair of public international law. He was a laureate of the Henri Rolin prize for international law (2012), and obtained research grants from NWO (VENI, VIDI) as well as the European Research Council (ERC Starting Grant).  

He is the author of a large number of publications with respect to inter alia jurisdiction and immunities, international organizations and non-state actors.