Jeffrey Chen

Chen began skating in 2010, after following his older sister Karen onto the ice.[4][5] He competed in singles until the 2014–15 season and was the 2014 U.S. national juvenile pewter medalist.[6] As a singles skater, Chen trained in Riverside, California alongside his sister under Tammy Gambill.[1]

Chen switched to ice dance and teamed up with Layla Karnes in the 2015–16 season. Together, they were the 2016 U.S. national juvenile ice dance champions and the 2017 U.S. national intermediate silver medalists.[7] Chen changed coaches and began training with Marina Zoueva prior to the next season; he competed with Gianna Buckley during the 2017–18 season, winning the 2018 U.S. national novice silver medal.[1][8] He then skated two months with Anna Lavrova during the 2018–19 season, but the partnership ended before the 2019 U.S. Championships.[3]

Chen began skating with Katarina Wolfkostin in 2019 and moved to train with her coaches, Igor Shpilband and Pasquale Camerlengo, in Novi, Michigan.[3] They placed fifth in their international debut at 2019 JGP France. Wolfkostin / Chen improved to fourth at 2019 JGP Russia, after placing second in the free dance. They won the inaugural U.S. Ice Dance Final to qualify for the 2020 U.S. Championships.[3] Wolfkostin / Chen won their first international medal at the 2019 Golden Spin of Zagreb, earning the silver medal behind Arina Ushakova / Maxim Nekrasov of Russia.

Wolfkostin / Chen were named as the sole ice dance entrant on the U.S. team for the 2020 Winter Youth Olympics.[9] They were fifth after the rhythm dance, before placing third in the free dance, to win the bronze medal overall behind Russians Irina Khavronina / Dario Cirisano and Sofia Tyutyunina / Alexander Shustitsky.[10] Their medal was the first won by Team USA at the 2020 Winter Youth Olympics.[11][12] Wolfkostin / Chen were drawn as part of Team Determination for the team event, alongside singles skaters Cha Young-hyun of South Korea and Nella Pelkonen of Finland and pairs skaters Brooke McIntosh / Brandon Toste of Canada. They placed fourth in the free dance segment to help Team Determination finish fourth, after losing the tie-breaker.

Wolfkostin / Chen placed fourth in the rhythm dance and second in the free dance to win the silver medal at the 2020 U.S. Championships, behind Avonley Nguyen / Vadym Kolesnik.[13] Assigned to compete at their first World Junior Championships, they placed seventh.[14]