Jose Munoz held the position of Nissan's chief performance officer, in charge of overseeing its global operations, has resigned from Nissan Motor Co., as investigations into allegations of financial misconduct against the once high-flying industry titan widen. An executive of Nissan Motor Co. who was seen as close to Carlos Ghosn, the ousted chairman of the Japanese automaker, has resigned, as investigations into allegations of financial misconduct against the once high-flying industry titan widen. From 2014 to January last year, Munoz served as chairman of Nissan's North American operations, after being in charge of sales and marketing in Latin America.