TriNet Group, Inc. announced the appointment of Catherine M. Wragg as its senior vice president of human resources (HR). Wragg brings years of executive HR experience to TriNet and is a key addition to the company and its leadership team. She leads the strategic direction and operational execution of all aspects of HR at TriNet and reports directly to Burton M. Goldfield, TriNet's president and chief executive officer. Wragg joins TriNet from the Giorgio Armani Corporation, where she most recently was senior vice president of business development.