While studying graphic design at the then Auckland Institute of Technology in the mid-1990s, Sang first began to publish his work in the short-lived New Zealand comic Mainstream, and Auckland event guide The Fix.

[2] The central characters from Filth formed the basis of his next series, The Dharma Punks.

[3] This comprised an eight-issue story line, first published in the early 2000s and later compiled into a trade paperback with printing crowd-funded via Kickstarter in 2014.

[5] He has also illustrated graphic novels for Victoria University's Youth Wellbeing Study and been published in magazines including Rip It Up and the New Zealand Listener.

[6][7] Sang designed the characters and backgrounds for the award-winning animated show Bro'Town.