Wong Ka-ki graduated from The Hong Kong Academy for Performing Arts with a Bachelor of Fine Arts (Honours) degree in Theatre and Entertainment Arts, majoring in Lighting Design. More recent productions she has lit include East-side Dance Company’s Antenna; Riceball Association’s The HER Story, My First Bra Talk and A Dairy of a Girl's Happiness (7th run); Cinematic Theatre’s After World; Unlock Dance Plaza’s Unlock Dance Camp; Cultural Masseur: Unknown: living in Progress presented by the Hong Kong Arts Centre. She has also served as Production Electrician in Theatre Ronin’s Aquamarine (Reading version) and Aquamarine.