Jeff Chertack
@jtack
Informed Optimist. Communications at the Gates Foundation
ID: 15591808
25-07-2008 00:49:28
1,1K Tweet
976 Followers
401 Following
@jtack
Informed Optimist. Communications at the Gates Foundation
ID: 15591808
25-07-2008 00:49:28
1,1K Tweet
976 Followers
401 Following
