Slack has hired away a new engineering chief from Pinterest

Slack, the fast-growing workplace collaboration startup, has snagged a new engineering chief from Pinterest.Michael Lopp left the social bookmarking site earlier this month to become Slack's vice president of engineering, according to his LinkedIn profile.Lopp is a Silicon Valley veteran with experience at companies including Apple and Netscape. Prior to Pinterest, he was a director at Palantir Technologies, a Palo Alto firm focused on using big data analysis for business and government applicat