Michel Kazantchine is the Executive Director of the Global Fund to Fight AIDS, TB and Malaria. In recent years the Global Fund has found it difficult to raise funds from countries despite promises from around the world. He says that emerging economies also have to increase their contributions and countries such as China and Brazil will need to review their role in helping to fighting the disease in the future.

You can watch the full interview on Tuesday 26 October 2010 on BBC World News at 0330, 0830, 1530 and 2030.

And on BBC News Channel at 0430 and 2330.