Sun Chao started learning the clarinet from an early age and studied with Backun artist Professor Han Shu. Sun attended Xiamen University and completed his undergraduate study with Professor Xun Haibo. In 2016, Sun enrolled into the Conservatorio Giovanni Paisiello di Taranto and obtained a performance master's degree under Professor Rocco Brandonisio, the former Principal Clarinetist of the Roma Santa Cecilia Symphony Orchestra. Sun is also the first Chinese student to earn this degree from Professor Brandonisio.
Sun Chao has won numerous prizes. At the age of 14, Sun won the gold prize in the clarinet division during the final round of the Beijing-Olympic-themed international arts competition. During his studies in Italy, Sun held several concerts, participated in international academic events, and received guidance from masters including Corrado Giuffredi (Principal Clarinetist of Orchestra della Svizzera Italiana), Valereia Serangeli (Principal Clarinetist of Carlo Felice Opera House Orchestra in Genoa), Professor Antonio Tinelli (Conservatorio NiccoIú Piccinni di BARI), and Italian clarinetist Vincenzo Mariozzi.
In September 2018, Sun Chao jointly hosted masterclasses and concerts with the Italian Trio Prata Chamber Orchestra in Shanghai, Hangzhou, and Ningbo.
As a professional clarinet performer, Sun has gained extensive experience in orchestras. Sun was the Deputy Clarinetist in the Orchestra Giovanni Paisiello di Taranto from 2018 to 2019 and performed at events like the Taranto Music Festival.