He gained international recognition for starring in the Finnish romantic comedy film Mestari Cheng (2019) directed by Mika Kaurismäki.

[4] Due to his grades not being sufficient for promotion to Form 6, Chu initially attended Hong Kong Institute of Vocational Education to study business administration.

[5] After graduating from the Hong Kong Academy for Performing Arts, Chu pursued a full-time career as a stage actor.

[6] In 2007, he formed a band called Juicyning [zh] with his brother Pak Him and APA classmates Michael Ning and Yeung Wai Lun.

[5] Chu faced limited job opportunities in the subsequent years, which led him to consider a career change, but his father encouraged him to continue acting.

[20] In 2024, Chu took on the lead role of Wing Lo, a comedic lyric writing course tutor, in the drama film The Lyricist Wannabe.