John Ilgenfritz

John Ilgenfritz - Principal Instructor / Writer

As a Principal Instructor John has over 15 years partnering with VMware in delivering training and experience in course development. A VMware Certified Instructor since 2007 he has delivered over 500 engagements both in-person and online from a repertoire for over 200 courses.

In the early 2000s, he worked as a senior software engineer. Languages included C, C++, Java and numerous scripting languages. Maintained a development environment using VMware virtualization solutions. Supported global team members and assisted with provisioning remote development build environments along with source control systems.

In addition, he has provided consulting services leveraging his virtualization experience. Designed performance optimization strategies and implemented migration solutions for remote multi-site data centers.

He is also co-author of a book on preparing for VMware certification.