The internationalization of human society, particularly in the economy, will continue. This trend will create both threats and significant opportunities for many companies. This book contributes by offering suggestions for medium-sized companies to succeed in internationalization. After a comprehensive introduction to internationalization and strategic planning, it provides concrete recommendations. The book first explores entering new markets internationally. It then outlines how to develop an internationalization strategy for production and sourcing. Finally, it explains strategic planning within an international company. The book is aimed at company executives, master's students, and participants in EMBA programs. It is intended to support the development of successful strategies for going international and thriving in the global market.