Nissan Motor president and CEO Carlos Ghosn is giving up responsibility for the US operations under a management shake-up announced on Friday and effective from 1 April.

Hiroto Saikawa, executive vice president, purchasing named chairman of the Americas management committee, replacing Ghosn.

“The priority for our new management team is to act decisively on the multiple challenges facing Nissan and to boost our overall performance in 2007,” said Ghosn in a statement.

Another key change is the move of Colin Dodge, head of Nissan Europe manaufacturing, to head general overseas markets (GOM), China operations and global information systems.

Carlos Tavares, head of corporate planning, product planning, market intelligence, brand management, design, programme management and LCVs adds the control function and Infiniti business to his responsibilities.

Mitsuhiko Yamashita, head of research and development is also now in charge of customer satisfaction.

Junichi Endo, head of global aftersales and the conversion business adds global marketing and sales to his responsibilities.