Will Bill Gates and Warren Buffett visit Turkey?

Bill Gates and Warren Buffett began an expedition in order to promote their commitment named ‘Giving Pledge’. This commitment is an engagement made by billionaires to give away at least half of their wealth.
The question is if the next stop for this programme is Turkey.
At this point this programme appears to be not so welcomed, as in China Buffett and Gates got a pretty indifferent response, in public at least, and none of India’s economic winners has yet signed on.