The chapter “Introduction to Human-Centric Generative AI” provides a definition of the basic concepts and significance of embedding human-centered design principles in the development of generative AI systems. It points out the importance of aligning AI technology with human values, ethics, and societal needs to create tools that are transparent, inclusive, and of benefit to individuals and communities. The role of generative AI in enhancing human creativity, problem-solving, and decision-making is discussed, along with challenges around bias, fairness, privacy, and accountability. This chapter prepares the stage for understanding how generative AI can be used to empower people and contribute to human flourishing. It requires the collaboration of technologists, ethicists, and policymakers. This chapter introduces generative AI, including a description of basic concepts, technologies, and applications of generative AI. It emphasizes designing AI systems that take into account the needs, values, and well-being of people. It contrasts traditional AI development with human-centric approaches and outlines the need for alignment between technological progress and human goals.