Alexander, who is the co-chief executive officer of IronNet Cybersecurity Inc, will serve on Amazon's audit committee, it said in a regulatory filing. (https://bit.ly/3iiILa0)

The four-member audit committee, headed by ex-Reader's Digest chief Thomas Ryder, includes former PepsiCo CEO Indra Nooyi.

Alexander has served as the commander of the U.S. Cyber Command in addition to heading the Central Security Service.

(Reporting by Neha Malara in Bengaluru; Editing by Maju Samuel)