This document provides an overview of international human resource management (IHRM). It defines IHRM and discusses the need for IHRM due to factors like cultural diversity, workforce diversity, language differences, and economic reasons. It then describes the main approaches to IHRM - ethnocentric, polycentric, regiocentric, and geocentric. It also outlines IHRM activities and models. Finally, it discusses the advantages and disadvantages of different types of employees in IHRM - parent country nationals, host country nationals, and third country nationals.