Julius Baer announced its CEO Philipp Rickenbacher is resigning and the Swiss bank is quitting the private debt business as well as setting aside more than a half-billion Swiss francs (dollars) reportedly over its exposure to bankrupt Austrian asset manager Signa. The company announced that Philipp Rickenbacher will step down as CEO. The company's deputy CEO and Chief Operating Officer Nic Dreckmann will step in as chief executive temporarily until a permanent successor can be found.