This document summarizes a paper that explores the roles of corporate HR functions in multinational companies (MNCs). It discusses how issues of coordination, standardization, and customization are important in MNCs. The paper presents results from case studies of 6 MNCs to identify the activities of corporate HR departments and the processes used to design, develop, and implement those activities. The roles of HR are found to depend on the organizational context, including whether the company operates internationally.