Left: Greg Greeley, Right: Assaf Ronen
Left: Greg Greeley, Right: Assaf Ronen

Two of the most disruptive businesses driving today’s “sharing economy” have poached high-profile execs from Amazon within a week’s span. Uber has hired Amazon voice shopping VP Assaf Ronen as Senior VP and Head of Product, two days after Airbnb named Amazon Prime head Greg Greeley as its new President of Airbnb Homes.

Voice shopping and Prime are two of Amazon’s most hyped offerings, so seeing the heads of each of these departments go within a few days of each other is interesting timing. If anything, it shows exactly how valuable these high-level executives are — that even those companies with…