Mario Draghi is seeking economists who understand banks, and he’s not afraid to look outside Frankfurt to find them. As the European Central Bank assumes the mantle of euro-area financial supervisor, its president has just staffed two key monetary-policy posts with non-ECB experts on how lenders function in the economy. The appointments mark a trend of turning to outsiders as the 16-year-old institution struggles to meet its changing responsibilities with existing staff, Bloomberg reported. Sergio Nicoletti Altimari, 51, a Bank of Italy financial-markets official, will become director general for macroprudential policy and financial stability from Jan. 1.