Jae Man Yu is a partner in the White Collar Crime Group, focusing his practice on a full spectrum of criminal cases, including white-collar and corporate criminal defense matters.

Prior to joining Lee & Ko in 2015, Mr. Yu served for over 16 years as a public prosecutor, during which time he has held key supervisory positions at the Special Investigation Department (SID) of the Seoul District Prosecutors' Office and at the Central Investigation Department (CID) of the Supreme Prosecutor's Office. These two departments wield significant investigatory authority to conduct investigation of high-profile cases, such as embezzlement of corporate funds by senior executives and officers, corruption of senior government officials, trade secrets misappropriation involving large public and private enterprises, antitrust violations, data breach of personal information, and various violations by pharmaceutical companies. As the Director of SID and CID, Mr. Yu was the primary architect responsible for numerous high-profile cases against high-ranking government officials and against Korean conglomerates.

At Lee & Ko, Mr. Yu combines his extensive experience as a public prosecutor and as the Director of both SID and CID to effectively represent domestic and international clients and successfully defend against all forms of criminal allegations, ranging from complex corporate, banking, finance, and securities-related charges to illegal campaign fund and National Intelligence Service wiretapping accusations.