Federal reserve chairman ben bernanke expects growth in 2010 .
美联储主席伯南克预期经济于2010年复苏。
He has held the role of chairman since 2006 .
葛霖自2006年以来一直担任董事长一职。
But some fundamental problems in approach are proving hard to deal with , according to hung-kuan chen , chairman of the shanghai conservatory piano department .