Zenefits taps Yammer founder David Sacks for COO position
Zenefits, a company that offers cloud management of human resources, announced on Wednesday that David Sacks, founder and former CEO of Yammer, will be its new COO. Sacks has been involved in startups and the tech industry since the 1990s, when he joined PayPal as its COO. More recently, Microsoft purchased his company Yammer in … Read more