Dongseong Ko is a member of Lee & Ko’s Criminal Defense Practice Group, where he focuses on criminal investigations, trial defense, and victim representation for corporate and individual clients.

Prior to joining Lee & Ko, Mr. Ko served for eight years with the Korean National Police Agency, where he held leadership roles as Team Leader of the Integrated Investigation Team and the Traffic Accident Investigation Team. His frontline investigative experience enables him to provide strategic and practical counsel to clients at every stage of criminal proceedings.