Hoai Nam has spent over 30 years working in the fashion industry, and has made a great contribution to promoting Vietnamese traditional long dress (Ao Dai), to worldwide audiences.

His Ao Dai collections have been introduced at many major events such as Vietnam Fashion Week Spring Summer 2016, New York Couture Fashion Week, and Paris Fashion Week - Haute Couture 2018.

The Ao Dai collection by Designer Do Trinh Hoai Nam is set to be introduced at New York Fashion Week 2019 on September 6.-VNA