Sinan Huan is a 7-0 center originally from Beijing, China, who attends Georgetown Preparatory School in Rockville, Maryland. At the FIBA U19 World Cup representing China, he averaged 5.0 blocks per game — the second-highest average in tournament history behind only Victor Wembanyama. In his junior season at Georgetown Prep, he averaged 11.9 points, 5.8 rebounds, and 2.9 blocks, and won his conference Player of the Year award as a senior. Huan committed to Purdue under Matt Painter, drawn by the program's historically strong track record developing big men like Zach Edey.