Transport and Infrastructure. He qualified as a science technician after studying at the SA Institute of Technology (now UniSA). After six years he resigned and started in the building industry. He was a founder of Homestead Homes and Home Australia, which now also owns Collier Homes in Western Australia, Newstart Homes in Queensland, Ashford Homes in Victoria and Huxley Homes in New South Wales. These are all major constructors of new houses in their respective states. He is the founder of Oz Homes Foundation, and is managing director of Home Australia. Day's business activities have made him a millionaire. Both Huxley Homes and Day himself have been fined for not complying with rectification orders. Huxley Homes has built many thousands of homes in NSW however twenty-five customers claimed they were in dispute with Huxley Homes and were taking legal action against the company for substandard or unfinished work. Huxley Homes denied the allegations saying they would vigorously defend any legal action. Day is the sole director of Ashford Homes, which is also facing action over unpaid money to creditors. In September 2016, The Australian newspaper raised concerns of how Day contributed $380,000 to Family First in 2012–13 while his businesses appeared to be facing financial difficulties. He is a past president of the Housing Industry Association, the trade association which represents the residential housing industry in Australia. Day was the long-time secretary of the New Right-influenced H.R. Nicholls Society and a founder of Independent Contractors of Australia (ICA) – a front group campaigning for labour market deregulation in Australia. According to John Stone of the H. R. Nicholls Society, "one of the most active members of that Association (ICA), Mr Bob Day, has been a member of the [H.R. Nicholls] Society's Board of Management almost from the outset. I do not think he will contradict me if I say that he has taken the ethos of the Society into the work of the Association." Day was also a former board member of the Centre for Independent Studies – a libertarian Australian think tank. Day was appointed an Officer of the Order of Australia for service to the housing industry and to social welfare, on Australia Day 2003. Day is a board member of the North East Development Agency, having been president for almost a decade, and of North East Vocational College in Adelaide. In his community service role, Day has