Lothar Zeitler is an experienced IT trainer and Microsoft expert with over 30 years of hands-on experience in enterprise environments. As a former Senior Product Manager at Microsoft, he possesses in-depth expertise in Modern Mobility and Microsoft Intune—ranging from platform strategy to implementation in large, distributed environments. His expertise also extends to data loss prevention and information protection with Microsoft Purview, IT security and compliance (GDPR, AI Act), Linux device management, and sovereign cloud architectures for regulated industries. Lothar has worked with global companies in the financial, healthcare, and public sectors, developed certification programs, and shared his insights in books, Microsoft blog posts, podcasts, and on YouTube.