Walgreens Boots Alliance has announced the departure of its CEO, Rosalind Brewer. According to Bloomberg, Brewer was the sole remaining Black female CEO of an S&P 500 company; the last Black woman to lead an S&P 500 company was Ursula Burns, who left Xerox in 2016. Like many retailers, Walgreens faced challenges this year as the demand for COVID-19 testing and vaccines declined, and retail sales experienced a slowdown. Brewer’s departure is part of the company’s transition into a healthcare company instead of a drugstore. According to CNBC, shares of