Glen is an independant technical trainer and consultant who specializes in Microsoft technologies and network security analysis. Glen's focus is to provide technical training in a fashion that allows students to not only understand what they need to know, but also how to perform a specific job task. Glen is a Microsoft Certified Trainer, delivering certified courses in networking, programming, cloud, and information security certification tracks. Glen is well known for his programming and network security courses, teaching IT professionals about security awareness and network defense.

Glen is the owner of DC Advanced Technology Training (DCATT), an Atlantic Canadian training company based out of Halifax, Nova Scotia. Glen offers a number of training services through DCATT such as video content creation, in-person training, live-online training, question writing, and courseware writing.

Glen's well-respected delivery methods are found not only in his instructor led courses but also in the number of books that he has worked on. Glen's most recent published work was to design and author the "CompTIA PenTest+ Certification For Dummies, 2nd Edition", which is being published by Wiley. Glen is also the author of many certification books such as "CCT/CCNA Routing and Switching All-In-One Exam Guide", "Security+ Certification Study Guide, 4th Edition, "Network+ Certification Study Guide, 7th Edition", and the bestselling "CompTIA A+ Certification All-In-One For Dummies". To view a list of published work by Glen click here.