Wulff has always maintained that he did nothing wrong throughout the course of the scandals -- something he reiterated during his resignation speech . Joachim Gauck replaced Christoph Wulff , who resigned last month . Wulff is accused of financial impropriety and doing political damage . He says he is innocent . His resignation is seen as a blow to Chancellor Angela Merkel , who replaced him .
Joachim Gauck replaced Christoph Wulff , who resigned last month . Wulff is accused of financial impropriety and doing political damage . He says he is innocent . His resignation is seen as a blow to Chancellor Angela Merkel , who replaced him .