Colin has directed for the Norwegian National Theatre and the Dutch National Theatre, as well as leading New Zealand and Australian theatre companies, and is the only New Zealand director to be invited to present his work at the official Edinburgh Festival. His production of Hedda Gable played there to great acclaim and was also presented at the Ibsen Festival in Oslo, the Covent Garden Festival in London, and the 1991 Sydney Festival. Colin has also won Best Director at the Chapman Tripp Theatre Awards several times, including for his production of Who's Afraid Of Virginia Woolf?
His many productions for Auckland Theatre Company include The Ladykillers, A Doll's House, Paniora!, Other Desert Cities, The Good Soul of Szechuan, Anne Boleyn, Midnight in Moscow, Lord of The Flies, Awatea, A Midsummer Night's Dream, In The Next Room (Or The Vibrator Play), Calendar Girls, On The Upside Down of The World, Mary Stuart, August: Osage County, The Pohutukawa Tree, Cat on a Hot Tin Roof, The Female of The Species, Where We Once Belonged, End of The Rainbow, The Crucible, Hatch or The Plight of The Penguins, Doubt, Disgrace, The Duchess of Malfi, Equus, Goldie, Waiting for Godot, Serial Killers, The Seagull, Rosencrantz and Guildenstern Are Dead and Uncle Vanya.
Opera directing credits include Quartet (New Zealand International Arts Festival 2004), La Boheme (Wellington City Opera), The Italian Girl in Algiers, The Marriage of Figaro and The Prodigal Child for the NBR New Zealand Opera. In 2009 he remounted his production of The Italian Girl in Algiers for the Scottish Opera.
In November 2007, Colin was honoured for his artistic achievements and excellence at the eighth annual Arts Foundation of New Zealand Laureate Awards and was made an Officer of the New Zealand Order of Merit in June 2010.