He served as the head (Legal Attaché) of the Federal Bureau of Investigation (FBI) at the U.S. Embassy Seoul, Korea. He served as a Special Advisor to two U.S. Ambassadors on significant international affairs. He oversaw and managed FBI’s overseas missions and strategic plans covering cyber intrusion, counterterrorism, counterintelligence, and criminal matters.
He led the efforts to create a permanent FBI cyber agent position in U.S. Embassy and the Korean National Policy Agency HQ to proactively address cyber threats and vulnerabilities. He provided guidance and coordination on numerous risk management and crisis incidents related to cyber threats, such as ransomware, DDoS attacks, theft of cryptocurrency, and business email compromise schemes.
He also worked at the Central Intelligence Agency (CIA) covering East Asia matters between 2008 and 2009. During his tenure, he received the FBI Director’s Award and CIA Exceptional Performance Award.