David Sacks - AZ Tech Beat

Zenefits taps Yammer founder David Sacks for COO position

January 15, 2021December 10, 2014

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

Microsoft Spends A Whopping $1.2 Billion To Acquire Yammer: The Enterprise Social Network

June 26, 2012 aztechbeat

Earlier this month, reports came out suggesting that Microsoft was under acquisition negotiations with the enterprise social network, Yammer. Well, it’s now official, but it took $1.2 billion in cash to make it happen. David Sacks the former COO of PayPal (until it was acquired by eBay) is the Founder and CEO of Yammer, Inc. … Read more