In our globalizing world, the matter of international worker management is becoming more and more important. An international worker is a person who is sent to work in an organization that is located abroad, where that person spends at least one year. Such people come up against many problems connected with cultural differences in the new workplace. Management practice mainly uses selection oriented at attracting people with qualities facilitating cultural adaptation and cross-cultural training in order to limit these problems. The article discusses application of these two practices. Specifically, problems relating to individual traits useful in efficient work by international workers, cultural adaptation, and various kinds of cross-cultural training and its methods are described.