Florian Plath and Jack Levendoski were previous rising stars. JPMorgan JPMorgan promoted 135 executives in global banking and markets to the rank of managing director. Two of the bankers previously made Business Insider's Rising Stars of Wall Street list. Here's what the newly minted MDs told us last year about their careers at the bank. JPMorgan announced its newest class of managing directors earlier this week, elevating hundreds of employees across divisions to the firm's highest title outside the C-suite. The bank promoted 135 people in its global banking and markets, and two of the investment bankers made Business Insider's Rising Stars of Wall Street list last October, which tracks some of the most impressive up-and-coming dealmakers and investors. Here's what they told us last year about their now even more distinguished careers.…