Ex-Yammer CEO David Sacks joins Zenefits as COO, makes it his biggest investment
December 10, 2014 at 07:18 AM EST
The state of Utah may not like the way Zenefits does business, but David Sacks sure does. The former CEO of Yammer and first chief operating officer at PayPal has joined the San Francisco cloud-based human resources software developer as COO and made it his biggest venture investment...