Goldman Sachs GS Goldman Sachs Gr 230.51 -0.65 (-0.30 %) Disclaimer Get real-time GS charts here " David Solomon will succeed Lloyd Blankfein as Goldman's new CEO, the firm said Tuesday. Solomon will officially take the reigns from Blankfein, the longest-serving Wall Street CEO alongside JPMorgan's Jamie Dimon, in October. He'll then join the board. Blankfein will serve as chairman through the end of year, and Solomon will add the title in January.