[1] Despite his parents had expressed doubts on whether he can make a living, he decided to study film and become an actor since he was still at school.

[4] He directed and produced Days After n Coming, an extended version of 21 Years After which documented about political movements in Hong Kong.

[4] Lo landed his first acting role in the 2011 RTHK television movie Beside(s), Happiness [zh] directed by Heiward Mak.

[14] Lo's acting and onscreen charisma received widespread acclaim,[15] and was nominated for Best Actor in the 42nd Hong Kong Film Awards.

[16] After producing several politically themed films, Lo was denied entry to Macau in 2016 due to the potential "threats to the stability of the territory’s internal security".