Omead Afshar, a long-time Musk lieutenant, was tasked with improving the company’s business in North America and Europe late last year but sales continue to drop in both.

Omead Afshar, Tesla’s head of manufacturing and operations, has been fired from the company by CEO Elon Musk after declining car sales.

The departure of Afshar, who oversaw sales and manufacturing in North America and Europe, comes as Tesla struggles with declining global sales.