Walgreens CEO Rosalind Brewer steps down as company pursues healthcare focus

Roz Brewer mutually departed as CEO of Walgreens after less than 3 years in the role.
Brewer oversaw Walgreens' COVID-19 vaccine rollout but lacks deep healthcare experience.
Walgreens named board member Ginger Graham as interim CEO while seeking a permanent replacement.
The company aims to transition to a healthcare services provider amid retail struggles.
Walgreens shares have fallen 32% this year due to decreased demand for COVID products.