This professional book provides a structured, industry-independent and at the same time practical insight into all types of business partnerships. Both relationships with external business partners and internal partnerships with colleagues and employees are considered in depth. The authors guide you through all phases of these partnerships, highlighting the different aspects and offering proven methods and practical tips for working successfully with partners. The focus is on people as partner and individual with interests and goals. The comparison to private partnerships is quite intentional and illustrates the explanations. Findings from brain research, learning and cooperation are also included.