Internal memo: Amazon SVP Jeff Blackburn, a close lieutenant to Jeff Bezos for more than 22 years, says he is leaving the company, after a year-long sabbatical

Internal memo: Amazon SVP Jeff Blackburn, a close lieutenant to Jeff Bezos for more than 22 years, says he is leaving the company, after a year-long sabbatical  —  Another Jeff is moving on from his longtime Amazon executive role, filling out the picture of what has become a massive leadership transition at the tech giant.