Pinterest taps former Google exec Francoise Brougher as COO to scale ad offering

Pinterest has tapped former Google and Square exec Francoise Brougher to join the company as its first chief operating officer, tasking her with scaling up its global advertising offering. 
She will be responsible for growing Pinterests operations around the world as well as heading up global ad sales, partnerships, measurement and business development. 
The appointment from the visual bookmarking tool comes amid ongoing speculation it is gearing itself up to go public i