Complex sentence: The company was set up in 2004 by four experienced business people and recent immigrats to Austrlia, headed by ex-Ernst and Young consultant Matthew Michalewicz, who had moved to Adelaide in 2004 after selling his last company, NuTech.
Split into simpler sentences: The company was set up in 2004 by four experienced business people, who were all recent immigrants to Australia. The team was headed by ex-Ernst and Young consultant Matthew Michalewicz, who had moved to Adelaide in 2004 after selling his last company, NuTech.