What are filters and amplifiers and how do they impact your regular giving appeals?
In this must-read post by Chris Keating, he covers the late Prof. Siegfried Vögele’s approach and the principles behind direct marketing.
What are filters and amplifiers and how do they impact your regular giving appeals?
In this must-read post by Chris Keating, he covers the late Prof. Siegfried Vögele’s approach and the principles behind direct marketing.
Propper Fundraising 