Executive departures (voluntary and otherwise) arent uncommon after major acquisitions, and that may well be happening in the wake of Lenovos deal to acquire Motorolas cellphone business from Google. The Wall Street Journal claims that Motorola CEO Dennis Woodside is leaving the company to become Dropboxs first Chief Operations Officer. Its not clear just what would be driving Woodside to take a less glamorous role; weve reached out to both companies for comment.