His family moved to Lebanon when he was a toddler, and he later studied engineering at Ecole Polytechnique and Ecole des Mines de Paris in France, where he is a citizen.

CNN: The True Story of Carlos Ghosn

In France this was taken as a warning to people like Rachida Dati, told to run for the European Parliament after failing as justice minister, that they would be expected to serve their time in the salt mines of Strasbourg and not run home to Paris.

ECONOMIST: European politics

His contacts range from the workers in remote mines in countries like Columbia and Sri Lanka, to the leaders of haute joaillerie houses in Paris and London.

FORBES: Robert Procop's Jewelry Collaboration With Angelina Jolie Brings The Gem Expert To The Masses