Yoon is known for her coverage of major news events, such as the disappearance of Malaysian flight Malaysia Airlines Flight 370 and the Sinking of MV Sewol. She was one of the first journalists to reach the 2008 Sichuan earthquake zone in 2008. Joon contributed to a team that won the Alfred I. duPont–Columbia University Award, in which she reported on the 2004 Indian Ocean earthquake and tsunami. She has won a New York Festivals Silver Medal in 2014, and received nominations for the Asian Television Awards.