Global economy must be ready for downturn, says new IMF boss. Bulgaria’s Kristalina Georgieva has said the global economy needs to be ready to cope with a fresh economic downturn after being chosen to head the International Monetary Fund (IMF). Mario dragi is out going boss of the European Central Bank the ECBChristine Lagardère ho was the IMF boss for manny years is now going to take over from mario dragi Italy. To run the ECB and after years in IMF i have huge trust in that Lagardère will be more that enuf this economists gemstone Lagardère will be huge in this position as new boss for the ECB.