Tesla Inc director Robyn Denholm, a telecoms executive who has worked for Toyota, has been promoted to chairwoman of the electric car company, tasked with regulating billionaire Elon Musk’s regime after months of turbulence which have worried Wall Street.

... While she will resign from Telstra to take the role full-time, some analysts expressed concern that she may not be clearly enough removed from Musk to rein in the billionaire’s public outbursts and bring more order to Tesla.