TriNet Group, a provider of comprehensive and flexible human capital management solutions for small and medium-size businesses, agreed to repurchase TriNet common stock from Atairos, an independent private company focused on supporting growth-oriented businesses, for $1bn. "Today is an exciting day for TriNet as we announce our intention to launch transactions to buy back $1 billion of TriNet stock," Burton M. Goldfield, TriNet President and CEO.