Daniel Hallmann is a seasoned IT professional with over 20 years of experience spanning software development, agile leadership, and AI engineering. Starting his career as a web developer for clients across e-commerce, telecommunications, and media, he transitioned into agile roles as a Scrum Master, Product Owner, and Agile Coach, guiding cross-functional teams through complex international projects. In recent years, he has focused on AI and machine learning, working as an IT Consultant and AI Developer on projects involving large language models, retrieval-augmented generation, and voice agents. He combines this technical breadth with strong facilitation skills to bridge stakeholders, engineering, and business goals. As a doctoral candidate at the University of Bamberg, he researches LLM-based requirements engineering and AI-driven agile software development, reflecting his commitment to lifelong learning.