Mr. Joo is a deputy director of the Ministry of Finance and Economy (MOFE), where he has been working for eight years. His main posts at the MOFE have been in the financial policy bureau and international finance bureau. Before his participation in the Humphrey Fellowship program, he worked in the financial policy division under the financial policy bureau. He was in charge of monitoring and stabilizing the financial market and also drafted the Korea Housing Finance Corporation (KHFC) Act, which introduced a new mortgage financing system into Korea in March 2004.

Mr. Joo received his bachelor's degree in Business Administration from the Korea University, Seoul.

During his Humphrey year, he plans to study the financial system of the United States, in particular its mortgage financing system.