Friedhelm Eronat
Friedhelm Eronat is a Geneva-based British centimillionaire business leader mainly involved in oil trading, exploration and production. Eronat is one of the world's most successful oil dealmakers. His estimated wealth is over $100m, built on deals in places such as Nigeria, Russia and Kazakhstan.
In October 2003, Friedhelm Eronat renounced his United States citizenship and became a British citizen.