This New York hedge fund billionaire has become known for his land conservation efforts, most notably preserving 90,000 acres in the Sangre de Cristo Mountains in Colorado. He also has a foundation, the Moore Charitable Foundation, which engages in grantmaking. One of its top priorities is protecting oceans, bays, rivers, and wetlands.

But don’t look for big grant making dollars from this outfit. The foundation is small both in staffing and its level of grant making, and focuses on only a handful of geographic areas. On the other hand, Bacon has barely scratched the surface of a fortune estimated at $1`.6 Billion and a 56, has plenty of time to make more money.