As both an analyst and a manager at a number of defense and security organizations, Mark has directed wargames, conferences, studies, and assessments covering a range of topics. For well over a decade he has been a thought leader in the red teaming community and has pioneered the application of systems engineering principles, techniques, and tools to the practice of red teaming. In 1997, he founded Red Team Journal, a site designed to further the practice of red teaming and alternative analysis. Mateski has earned degrees in political science, national security studies, and systems engineering. He is currently an executive security and strategy consultant and teaches eight different graduate courses for the Department of Engineering Management and Systems Engineering (EMSE) at The George Washington University.