Wealthy individuals exert considerable influence in the $123 billion n
onprofit sector through the creation of large charitable trusts. This
paper presents a segmentation of that influential population based on
an indepth study of their motivations for giving and the relationships
they establish with their nonprofit beneficiaries. The four philanthr
opic segment profiles thus developed have implications for the marketi
ng activities Of nonprofit organizations and for the development of th
eory about motivations for philanthropy.