Nissan Motor Co. is continuing to shake up its global leadership as part of an overall effort to quickly turn around the financially struggling automaker, according to a Sept. 18 press release. Roberto Delgado, VP, global internal audit office, was appointed corporate executive, central controller revenue and cost. Takeshi Mashiko, general manager, Japan internal audit office, will succeed Delgado as global internal audit officer. Takahiko Ikushima, corporate executive, was appointed global controller and tax. Nissan said its global marketability unit will be integrated into product planning to support competitor evaluation.