He is the founding artistic director of W!LD RICE, a theatre company in Singapore, and an outspoken advocate for respect for diversity and freedom of expression.

A theatre director, actor, playwright and designer, Heng's productions are concerned with identity, migration and gender and sexual politics within intercultural contexts.

He also played Frankie Wong in Beauty World, and Song Liling in the All-Asian premiere of M. Butterfly in India in 1989 (a role originated on the West End by his future collaborator Glen Goei).

[4] Heng made his UK directorial debut at the Edinburgh Fringe Festival with a Singaporean play – Ovidia Yu's The Woman in a Tree on the Hill.

Thereafter, he moved to London where he worked in film, television and radio, and founded the Tripitaka Theatre Company to do touring productions with an Asian point of view, like his autobiographical solo Journey West (1995).

His projects for the company include directing The Campaign to Confer the Public Service Star on JBJ, Second Link – The Singapore Malaysia Text Exchange, Oi!

[2] He shares his practice by giving workshops internationally, and has taught at the Central School of Speech and Drama (London), Tramway (Glasgow), Intercult (Stockholm), Kannonhallen (Denmark), Dramalab (Kuala Lumpur, Malaysia), and LASALLE College of the Arts in Singapore.