Ted Turner

Lifetime donations: $1.2 billion
Net worth: $2.1 billion
Generosity Index: 57%
Ted Turner, former CEO of Turner Broadcasting System (TBS) and vice chairman and director of AOL Time Warner, is the current chairman of Turner Enterprises, a diversified holding company.
Turner also serves as trustee of the Turner Global Foundation and chairman of the Turner Foundation, which both donate to community development and environmental and wildlife conservation causes.
The UN Foundation is also a chief recipient of Turner's donations. In 1997 he pledged $1 billion to the foundation, which promotes causes related to women and population, children's health, environment, world peace, and security.
Source: Wealth-X