Mary Barra, who has spent her entire career at the company, succeeds Tim Solso, who will remain on the board as lead independent director General Motors Co.’s board elected chief executive officer Mary Barra as chairman, signalling its approval of the job she’s done almost two years after becoming the biggest US automaker’s first female CEO. Barra, who has spent her entire career at the company, succeeds Tim Solso, who will remain on the board as lead independent director, GM said in a statement Monday.

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