This paper focuses on understanding the problem of brain drain and identifies crucial activities which must be done in order to successfully reintegrate Slovak researchers. This reintegration process should lead to valuable knowledge sharing, R&D development, educating next generation of excellent researchers as well as increased economic growth. R&D does not relate only to universities but also companies which want to be innovative. Therefore, we focus our research on companies that has R&D department and may be willing to reintegrate returnees working at any research institutions or universities. Based on the knowledge gained from our research conducted in research institutions in Slovakia and best practices from Israel we proposed recommendations (on national, regional and company level) to create systematic approach to reintegration process. These recommendations can significantly affect attitude of researchers towards moving back to Slovakia and bringing the potential value associated with their international mobility to companies.