In the last year, South Korea has won a number of contracts for foreign nuclear sales against stiff competition from traditional nuclear suppliers, putting it on the path towards becoming a major nuclear exporter. However, nonproliferation- related concerns could hinder South Korea’s advancement of its nuclear exports, particularly as the ROK pushes its controversial efforts at pyroprocessing—a spent fuel recycling process. While Seoul has taken steps to strengthen its nonpro- liferation credentials, South Korea must take more of a leading role in the nuclear nonproliferation regime in order to meet its goals as a nuclear exporter.