The world's largest coffee chain said in January last year that Alstead was taking leave to spend more time with his family.

Alstead had resigned from his position effective Feb. 29, the company said in a regulatory filing on Tuesday. (http://bit.ly/1T6ApTi)

Alstead, who helped lead Stabucks' extensive restructuring a few years ago, had been with the company for more than two decades.

The company named director Kevin Johnson chief operating officer in January last year.

(Reporting by Abhijith G in Bengaluru; Editing by Sriraj Kalluvila)