During Jason Chang's teenage years, he was modelling for various national newspapers, international magazine editorials, advertisements, commercials and fashion shows, in various reputable brands as Prada, Lanvin, CK, Calvin Klein, Burberry, Agnes B, Kim Jones, DKNY, Dunhill, Lacoste, Hugo Boss, Adidas, Paragon, Fujifilm, Sony, L'Oreal...

In 2006, he played a role of the unusual, accidental boyfriend 'Steven' of the very tomboyish leading lady from the TV series entitled "Yang Sisters".

In 2009, he played a featured character role by the name of "Shaun Wong", an eccentric & idiosyncratic, mental patient in his film debut for Ho Tzu Nyen's feature "Here". An Official Selection, 2009 Quinzaine des Réalisateurs (Directors' Fortnight), Cannes. Award nomination, Camera d'Or...

In 2009, he will be appearing in his next Starring Role 'Abe' in the full-length feature film entitled "CHALET-THE-MOVIE".

In March 2009, Jason will be playing the climatic role in Ho Tzu Nyen's next Film "Earth" for the Singapore Arts Festival 2009. That has been officially selected to screen as a special event in the Corto Cortissimo short film section at this year's Venice Film Festival in September 2009.

In order to further develop, enhance and elevate the Professional Skills & Practising Crafts of his Performing Arts, Jason has now, for the new year of 2009, being accepted by the Internationally-Renowned " Lee Strasberg Film & Theatre Institute " in New York, U.S.A., to do the " Method Acting " Training Program.