This month brought the shock announcement that Trevor Loewensohn was leaving his role as co-head of JPMorgan's investment banking operations in Australia to spend more time with his family on the beach. Kevin Jacobson, Loewensohn's long-time friend and the bank's head of consumer and industrials, also resigned. The vacuum left by the departures presents some challenges to the bank which was slowly making a name for itself as an MA powerbroker. Sean Wallace, co-head of Asia Pacific, has flown to Sydney to sit in while a replacement is found. And Tim Fletcher has moved from Hong Kong to take over Jacobson's role. Here Wallace and the co-head of JPMorgan in Sydney, Rob...