One day after Trump's inauguration, oil and gas billionaires see their total wealth boosted by more than $3 billion.

One day after Trump's inauguration, oil and gas billionaires see their total wealth boosted by more than $3 billion.

This list of top U.S. fossil fuel billionaires includes David Koch’s widow Julia Flesher Koch, Charles Koch, the current chairman and CEO of Koch Inc., Hamm, as well as many other owners of oil ...

Julia. Julia Flesher Koch, who inherited a large stake in Koch Industries, is worth a reported $76 billion, and is the world's second richest woman. Francoise. Francoise Bettencourt Meyers ...

Julia Flesher-Koch, who serves on the boards of Koch, Inc., and Charles Koch, chairman and CEO of Koch, Inc.: While the Koch family’s wealth is diversified beyond the Koch Industries energy ...

Koch Industries billionaires, Julia Flesher-Koch (wife of the late David Koch) and Charles Koch, saw their wealth increase from $58.5 billion and $64.3 billion, respectively, to $67.5 and $74.2 ...

There's a lot to consider if you want to name your baby for a successful future. But when it comes to the top names of billionaires, it turns out tradition reigns. "Western names still dominated ...