Helmut Kohl’s political career illustrates how a leader’s personal background and deliberate relationship-building can profoundly shape major historical outcomes. Growing up in wartime Germany instilled in him a deep desire for European peace and unity. He became adept at forming personal bonds, drawing on his regional roots and family history to connect with domestic allies and foreign counterparts alike. This chapter examines Kohl’s approach to negotiation and coalition-building, focusing on his central role in German reunification and the push for deeper European integration. While his reliance on strong personal loyalties helped him navigate complex negotiations, most notably in dealing with Mikhail Gorbachev, Ronald Reagan, and François Mitterrand, it also gave rise to ethical controversies, including the party donations scandal. Kohl’s legacy underscores both the power of trust-based, patient negotiation and the need to balance personal networks with transparent, lawful conduct.