He moved to San Diego, California when he was six with his mother, Jing, and uncle, James Xiong.

Xiong attended Temescal Canyon High School in Lake Elsinore, California.

[9] Xiong's amateur success led his coach at Oregon, Casey Martin, to compare him to Tiger Woods at the same age.

[12] He made just five cuts in 21 events in his rookie season and lost his KFT status after shooting 81 in the first round of Q-School.

[15] A win the following year at the Nationwide Children's Hospital Championship ensured he would earn a PGA Tour card for the 2024 season.