10) Bill Haslam (Net worth: $1.9 billion)

American politician Bill Haslam is the 49th Governor of Tennessee and the Chairman-elect of the Republican Governors Association. He is the richest politician in the US. Declining gas prices helped his family business Pilot Flying J Company, which does $38 billion in sales. He is also the second highest-paid governor.

9) Brian Chesky (Net worth: $1.9 billion)

Brian Chesky is the co-founder and CEO of Airbnb, a website for people to rent out lodging. This 33-year-old self-made billionaire founded the company six years ago. Today it is valued at around $10 billion.