 Complete the following phrase:  In 1974 he co-founded Tiga Race Cars in Britain with New Zealander Howden Ganley, whose cars had great success in the Sports 2000 category, and constructed cars for a number of over formulae. He is currently employed each year as the Race Director for the Australian V8 Supercar Championship Series. He also is a director of the Confederation of Australian Motor Sport, the Clerk of the Course at the Australian Grand Prix and was the Clerk of the Course for the inaugural 