Christopher Steele is a former British intelligence officer known for his work with the Secret Intelligence Service (MI6). He gained significant attention for compiling a controversial dossier in 2016 that contained allegations about Donald Trump and his connections to Russia. Steele's dossier was commissioned by the Democratic National Committee and later became a focal point in investigations into Russian interference in the 2016 U.S. presidential election. His work has sparked debates about intelligence, political influence, and the role of private investigators in political matters.