Jim Bosnjak is a Croatian-Australian businessman who rose to prominence as the chairman of Westbus, Australia's largest privately owned bus operator. Since selling his Westbus stake in 2005, Bosnjak has maintained a high profile as chairman of the Greater Western Sydney Economic Development Board.
Bosnjak, son of the founder of Westbus, frequently clashed with his brother Bob over the company's direction. The company fell on hard times after a controlling stake was acquired by National Express. In 2005, the company found itself with a $90 million debt and was placed in administration. Later that year, the business was bought from National Express and the Bosnjak family for over $100 million by ComfortDelGro Cabcharge.
In 1994 Bosnjak was awarded The Medal of the Order of Australia for services to transport and the community.
As the son of Croatian migrants, Bosnjak has maintained close links with his parents former homeland through various investment projects.