[2] Hui was born in Hong Kong, and grew up in a single parent family, with his mother raising him and two other siblings.

He also directed three short films, Kung Fu Panda: Secrets of the Furious Five, Scared Shrekless and Puss in Boots: The Three Diablos.

Hui illustrated several children story books in collaboration with Kiehl's to raise funds for various Hong Kong organizations.

[10] Due to his contributions to the Shrek films, Forbes listed Hui in 2010 among 25 notable Chinese-Americans in the business field.

"[3] After arriving to the United States, beside learning a new language, Hui had most troubles adapting to a different lifestyle: "Hong Kong is a busy place.