Russell Benjamin Wallace Gumpert, known as Ben Gumpert, QC (born 27 February 1963) is a Crown Court Judge, (styled His Honour Judge Gumpert QC) and former barrister, specialising in international and domestic criminal law.[1] Gumpert was previously a Senior Trial Lawyer at the International Criminal Court (ICC), leading the prosecution team in the case against Dominic Ongwen[2] In 2012 Gumpert prosecuted to conviction the first 'modern slavery' case (R v Connors and ors.) in the UK[3]