In June 2006, citing his admiration of the efforts made by Warren Buffett and Bill Gates to help those in need, Chan pledged the donation of half his assets to charity upon his death. On 10 March 2008, Chan was the guest of honour for the launch, by Australian Prime Minister Kevin Rudd, of the "Jackie Chan Science Centre" at the John Curtin School of Medical Research of the Australian National University. Chan is also a supporter and ambassador of Save China's Tigers, which aims to save the endangered South China tiger through breeding and releasing them into the wild.