The book by Gertrud Hansel provides entrepreneurs with foundational knowledge and expertise, offering assistance in their daily business operations. The goal is to ease company management for readers during the growth phase. The book simplifies and concretizes the complex interrelations within a company. It addresses the entrepreneur as a person and a bearer of knowledge. Gertrud Hansel offers practical, actionable tips and tricks to help entrepreneurs stabilize their company's success. Especially during the growth phase, it is essential to increasingly shift from the role of a specialist to that of a company creator, an entrepreneur. This transition is not always easy, but it is certainly achievable. A key aspect of this is the awareness of the differences between the roles of entrepreneur and specialist, which the book aims to promote. Additionally, it includes numerous practical examples from everyday entrepreneurial life and various success stories. The second updated and expanded edition features new chapters on current leadership topics, such as Generation Z and changing work environments with home office and remote work. These aspects have gained increasing significance and importance for entrepreneurs in recent years.