 Silberstein is renowned for the 1986 "Personal Best" case against Dr. Dumbroff, which turned into a class action suit for about 100 injured by Dumbroff, who operated with his non-physician wife and chauffeur.In 1987, the Dumbroff case resulted in record-setting settlement.Silberstein was a trial attorney for the Public Service Mutual Insurance Company and in a ten-year time frame never lost a single case.