Date of Birth: 
About David Callahan
- David Callahan is founder and editor of Inside Philanthropy, a digital media site.
- Previously, he was a Senior Fellow at Demos, a public policy group based in New York City that he co-founded in 1999.
- He is also an author and lecturer.
- He is best known as the author of the books The Givers and The Cheating Culture.
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