I found this information:
Peabody Conservatory alum Byeong Woo Lee was among those selected to compose official music for the Winter Olympics opening and closing ceremonies during the games in PyeongChang, South Korea.
...Lee's compositions for the ceremonies include music for the short film River of Time, Future of All, as well as a piece titled Peace in Motion....
https://hub.jhu.edu/2018/02/09/byeong-woo-lee-olympics-composer/