VentureBeatZenefits CEO Parker Conrad resigns, COO David Sacks takes overVentureBeatParker Conrad, cofounder and chief executive of human resources and insurance software startup Zenefits, ha stepped down from the top position at the company. David Sacks, the company's chief operating officer and formerly cofounder and chief executive ...Zenefits CEO Parker Conrad Out Amid Compliance ConcernsTechCrunchThe CEO of one of Silicon Valley's hottest startups has suddenly resignedBusiness InsiderZenefits CEO Parker Conrad Resigns Amid ScandalForbesWall Street Journal (blog) -Bloomberg -USA TODAYall 19 news articles »