Mr. Iseminger spent much of his career at Microsoft in networking, protocols, programming, and data analytics. He started as a Network Performance Analyst, then a Group Manager focused on Windows networking and security. He helped tune the network stack and routing capabilities in the initial Windows Server versions, later joining the Cloud & AI Group to focus on emerging cloud-based data and analytics systems.

Mr. Iseminger is the author of a dozen technology books on programming, networking, directory services, web server management, and enterprise-scale design and deployment. He has two awarded patents covering multiple inventions in Artificial Intelligence and Blockchain technologies. His online courses teach and explain networking, cloud infrastructure, blockchain, artificial intelligence, and machine learning, and has taught more than 45,000 students throughout the world.