Ra Jong-yil (Korean: 라종일; born 1940) is a former South Korean ambassador who has authored books on politics concerning North Korea. Education. Ra received a PhD at the University of Cambridge. Career. Ra served as South Korea's ambassador to the United Kingdom from 2001 to 2003 and as its ambassador to Japan from 2004 to 2007. Works. https://en.wikipedia.org/wiki/Ra_Jong-yil