Ellen Kong is a graduate from the School of Theatre and Entertainment Arts at The Hong Kong Academy for Performing Arts, majoring in Costume Making. In 2022, Kong is hired as a Zuni Young Fellow (Performance) full-time actor.
Kong participated in the graduate performance Six Waves Six Shocks, as well as the Creative Playground, a project organised by Zuni Icosahedron and curated by Danny Yung. Her other theatrical appearances include Invisible Cities/Decameron, Invisible Cities IV – Centre of Culture, Plan HK Better!, Bauhaus Magic Flute Playground, STEAM - The Four Great Inventions, and 1587, a Year of No Significance (School Tour), The Interrupted Gengzi Dream, HK: A Theatre of Life and Death, Bach is Heart Sutra, etc.