A bar chart shows tenure of select bank CEOs by number of months. Jamie Dimon of JPMorgan Chase has been on the job 209 months. Morgan Stanley's James Gorman and Brian Moynihan of Bank of America are both at 161 months. David Solomon of Goldman Sachs has 56 months under his belt. Wells Fargo CEO Charles Scharf has 43 months. Jane Fraser of Citigroup rounds out the list at 27 months.