Many people may wonder: who is Carlos Slim Helu?

He was just crowned as the World Richest Man by Forbes. Slim, whose amassed his $53.5B fortune in Mexican telecom market, beat Bill Gates by half a billion dollars, or merely 1%, to come up at the top of the list.

Bill Gates comes at second with $53B and his old friend Warren Buffet was third with $47B in his pocket.

Here is the 10 richest of the richest on earth:

In case you don't know who is who, here is the primer:

1. Carlos Slim Helu: Mexican telecom giant.
2. William Gates III: Co-founder and long-term leader at Microsoft.
3. Warren Buffet: Investment legend who is still managing Berkshire Hathaway
4. Mukesh Ambani: Inherited and expanded Reliance Industries, India's most valuable company that focuses on petrochemicals, oil and gas.
5. Lakshmi Mittal: His name is in ArcelorMittal, the world's largest steelmaker.
6. Lawrence Ellison: His software company Oracle is now a leading enterprise software supplier.
7. Bernard Arnault: The man behind the largest luxury good maker LVMH (think Louis Vuitton, Givenchy, Fendi, TAG Heuer, Hennessy, Dom Perignon, just to name a few)
8. Eike Batista: Self-made mining and oil tycoon at Companhia Vale do Rio Doce who tripled his net worth in 2009.
9. Amancio Ortego: Have you been to any of the trendy 4,500 Zara stores?
10. Karl Albrecht: His discount supermarket chain Aldi is one of the largest in Europe.