Joongyoung Hahm is a specially appointed professor at the Graduate School of International Studies (GSIS) in Hanyang University in Seoul, Republic of Korea.

In his 30 years career, he had served as a diplomat, government official, UN professional at UNODC and researcher in Institute for National Security Strategy (INSS) mainly focusing on the Transnational Organized Crime and Terrorism. He holds a Ph. D. majoring in International Relations (IR) from the Hankook University of Foreign Studies (HUFS) and teaches at the Hanyang University and HUFS.

As a member of the Korea Association of National Intelligence Studies he is researching and writing articles especially on the North Korean illegal activities which is related to the TOC at large. He is also much interested in the issue of North Korean defectors, mostly women who are escaping to China and being sold as victims of human traffickers.