Oct. 18 -- Zenefits, the HR software maker, has re-launched its technology. It now integrates with QuickBooks, Microsoft Office and Slack. This update follows a rocky year for the company. Founding CEO Parker Conrad resigned after failing to comply with state insurance regulations. Since then, the company has paid about $1 million in fines and renegotiated a lower valuation with investors to avoid a potential lawsuit. Bloomberg's Emily Chang sat down with CEO David Sacks, who took over in February, for an exclusive interview.