He was educated at Caulfield Grammar School in Melbourne. Among his career highlights, Walsh was employed by Jack Morton Worldwide as Executive Producer of the ceremonies of the Athens 2004 Olympic Games. Jack Morton also employed him to Executive Producer the ceremonies of the 2006 Commonwealth Games. He also Directed the 2003 Rugby World Cup Opening Ceremony.
On 12 June 2006, in the Queen's Birthday honours list, Walsh was made a Member of the Order of Australia "for service to the events management industry through the creative direction and production of major outdoor performances and public celebrations in Australia and internationally, and to education."
- Australian Honours (2006). WALSH, Andrew Hugh. Retrieved 12 June 2006.
- MEA Conference 2005 profile
- Contributor in book: Firework Displays:Explosive Entertainment
- Gordon, Michael (2006-03-17). "One man's duck is another's inscrutable mystery". The Age.