The lecture focuses on International Human Resource Management (IHRM) and Comparative Human Resource Management (CHRM) within multinational companies, exploring various HRM approaches such as ethnocentric, polycentric, regiocentric, and geocentric. It discusses Hofstede’s cultural dimensions and criticisms, the GLOBE project on cultural dimensions, and the complexities of expatriate selection and reintegration. Successful expatriate reintegration hinges on job performance, satisfaction, skills application, career progression, and organizational support.