Semion Mogelivich

Semion Mogelivich is the leader of Russia's organized criminal syndicate. He quickly built a well-organized crime syndicate in the form of a typical American mafia family. By European Union and US authorities, he is described as the "boss of bosses" of the majority of Russian Mafia syndicates across the world. The FBI also considers him the "most dangerous gangster in the world." The FBI has accused him with worldwide arms trafficking, contract killings, abduction, drug smuggling, and prostitution. He ranks third among the richest criminals, with an estimated net worth of $10 billion. Semion now lives freely in Moscow with his three children.

Nobody knows for certain how much money the Ukrainian-born Russian crime lord has to his name. He's been on the FBI's Most Wanted list for years and has eluded capture. Semion has extensive political ties.

Net worth in 2018: $10 Billion