Juan Manuel Merchan is a Colombian-born American judge and former prosecutor. He is an acting justice of the New York State Supreme Court in New York County (Manhattan). He presided over the 2024 criminal trial of former US president Donald Trump, in which Trump was convicted. Merchan is the first judge in history to preside over the criminal indictment and conviction of a US President, and the first judge to hold a President in criminal contempt of court.