Chenxiiao is from Peking University, School of Mathematical Science in China and he was born in Mianyang, Sichuan China, a cool place which may be world-famous for pandas and its very spicy food like hotpot. Currently, he is a PHD student at the department of mathematics at WashU. As a math major, he practices mathematics and records computer programs. His research interests are mainly focused on combinatorics and algebraic geometry. His favorite sports are playing table tennis and riding a bike. His favorite musical instrument is the accordion and his favorite art form is animation. Other than math, he is also concerned about the Covid-19 pandemic and hopes that mathematics and statistics tools may somehow play a role in dealing with threatening pandemics.