The Lean IT Association (LITA) is a non-profit aimed at establishing global standards for Lean IT education and certification, providing resources and certification schemes for organizations and professionals. The webinar discusses the evolution of Lean principles, comparing historical approaches from Toyota to modern applications in IT transformation through Agile and DevOps. It emphasizes the importance of behavioral change in sustaining Lean transformations and highlights the necessity for a Lean management system to ensure efficiency and effective problem-solving.