This document provides an introduction to international human resource management (IHRM). It defines IHRM as procuring, allocating, and utilizing human resources across a multinational corporation while balancing integration and differentiation of activities in foreign locations. The document outlines some key differences between domestic HRM and IHRM, such as IHRM involving more HR activities like taxation and cultural orientation, as well as a broader perspective and greater risks. It also lists some common challenges for IHRM like high expatriate failure rates, managing talent globally, and addressing different labor laws and cultural values in foreign locations.