YoungJoon Yoo received the B.E. degree in electrical engineering and computer science from Seoul National University in 2011, and Ph.D. degrees in electrical and computer engineering from Seoul National University in 2017. In 2017, he has been with the graduate school of convergence science and technology, Seoul National University, where he was an post-doctorial researcher. Since Dec. 2017, he has been working as a research scientist in CLOVA AI Research., NAVER.