[1] He attended and studied creative media at City University of Hong Kong, but quit before obtaining a degree to pursue an acting career in 2018.

[2] Or featured in several short films during his university years, including the award-winning Why Don't We Share Our Solitude (Chinese:如霧起時).

[1][5] He then appeared in several films with minor roles, before starring in ViuTV drama series Till Death Do Us Part as Yan-kei and Leap Day as Jonathan, which the latter role had earned him widespread acclaim.

[6][7] In 2021, Or was cast to star alongside Francis Ng in the drama film Drifting, which he received a Golden Horse Awards nomination for Best Supporting Actor and Hong Kong Film Awards nominations for both Best Supporting Actor and Best New Performer.

[1][8] Or landed his first major television role as Oscar in ViuTV drama series Beyond the Common Ground in 2023, starring alongside Chiu Sin Hang, Ivy So, and Vincent Kok.