Shin Seung-chan is a South Korean doubles specialist badminton player. She won the women's doubles bronze medals at the 2016 Summer Olympics, and 2014 BWF World Championships. Shin clinched the women's and mixed doubles gold at the 2015 Summer Universiade, also in the team event in 2013 and 2015.

Zhao Yunlei is a mixed and women's doubles badminton player from China. She graduated with a BA from Huazhong University of Science and Technology. She is the first and only badminton player to have ever won two gold medals in the same Olympic edition, winning in both the mixed and women's doubles categories in 2012. Zhao joins the ranks with nine other players with two Olympic gold medals, the highest number of gold medals won by any badminton player. Through her performance at the 2014 and 2015 BWF World Championships, she became the first player to win two gold medals in two consecutive BWF World Championships.