If sources are to be believed, Elon Musk is finding ways to cut costs.
Her exit comes close on the heels of the senior executives being fired by Elon Musk.
Musk also fired CFO Ned Segal, and head of legal and policy Vijaya Gadde.
Last year, he stepped down as CEO and now he has exited from Twitter's Board of Directors.
Musk says deal can't happen until bot account dispute resolved; Twitter board begs to differ.