Aaron Rinehart has been expanding the possibilities of chaos engineering in its application to other safety-critical portions of the domain, notably cybersecurity. He pioneered the application of security in chaos engineering during his tenure as the chief security architect at UnitedHealth Group (UHG), the largest private healthcare company in the. world. While at UHG, Aaron released ChaoSlingr, one of the first open source tools focused on using chaos engineering in cybersecurity to build more resilient systems. A frequent author, consultant, and speaker, Aaron also recently founded the first chaos engineering meetup in Washington, DC.