Russian businessman Sergei Mavrodi, whose MMM pyramid scheme deprived millions of Russians of their savings in the 1990s, has died of a heart attack, according to Russia media. Reports said the 62-year-old was rushed to the hospital late on March 25 with pain in his chest and died several hours later. Mavrodi’s MMM financial pyramid … Continue reading BREAKING: MMM founder, Sergei Mavrodi, dies of heart attack at 62