MMM
Ponzi scheme company
МММ was a Russian company that perpetrated one of the world's largest Ponzi schemes of all time, in the 1990s. By different estimates from 5 to 10 million people lost their savings. Wikipedia
Founders: Sergei Mavrodi, Vyacheslav Mavrodi, and Olga Melnikova
Founded: 1989
Ceased operations: 1997
Fate: Shut down by Russian police in 1994, declared bankruptcy in 1997, reopened in 2011 as MMM Global
Headquarters: Russia