GRONGHUI, May 23 | J.P. Morgan Chase has appointed former Goldman Sachs banker Alexander Mayer as the new head of its German and Austrian operations, according to a memorandum quoted by Reuters. Mayer previously worked at Goldman Sachs for 24 years and will join J.P. Morgan's Frankfurt office later this year, which is the headquarters of the European business. The memorandum also added that Stefan Povaly, the former head of German and Austrian operations at Bank of America, will join Marcus Hiseman as co-head of global corporate banking in Europe, the Middle East and Africa.