ドレスナー銀行
Dresdner Bank attempted to get a banking operating license in Saint Petersburg, where Putin was now in charge of foreign economic relations. Warnig took part in negotiations. The office was opened in 1991. Warnig became Chairman of the Board of Directors of Dresdner Bank ZAO, Dresdner Bank Russian's subsidiary. In 2004–05, the bank advised on the controversial forced sale of Yukos assets (see Yukos shareholders v. Russia).