Who: Leonardo DiCaprio, actor
What: Leonardo DiCaprio Foundation
Why: For almost 20 years, LDF has been dedicated to protecting the earth's last wild places and helping find solutions that create a symbiotic relationship between humans and the natural world around them. LDF collaborates with other organizations and funders to provide grants to results-driven conservation projects. Recent philanthropic projects include protecting tigers from extinction in Nepal, stopping overfishing, savings sharks and securing marine reserves in Antarctica.
[Photo via @aabprod]