http://online.wsj.com/article/SB10001424127887323372504578466992305986654.html
Apparently a hedge fundie made 4 billion and is giving most of it away to what the WSJ describes as a "moneyball" approach to giving.
for 'evidence based giving' givewell doesn't show up in the first 2 pages of google results, but it does show up on the first page for the terms 'evidence based philanthropy'.
http://online.wsj.com/article/SB10001424127887323372504578466992305986654.html
Apparently a hedge fundie made 4 billion and is giving most of it away to what the WSJ describes as a "moneyball" approach to giving.