Roger Craver is a fundraising pioneer who’s helped launch and build organizations like Common Cause, the National Organization for Women, the ACLU, the Sierra Club, Greenpeace, Amnesty International, and dozens of others both in the U.S. and Europe. Roger is the author of Retention Fundraising: The Art and Science of Keeping Your Donors for Life. Now he’s the editor-in-chief of the fundraising blog The Agitator and founder of DonorTrends, which provides fundraising analytics.