IT trainer and tech support since 1986. Computer user since a couple of years before that.

Network administrator and numerous other related roles over many years, up to 2017.

Bachelor of Commerce (Economics, Electronic Commerce, Management Information Systems), Deakin University, 2000.

Using various operating systems, but although I worked with Windows for decades, and then macOS and Linux, I have preferred macOS for my own systems since 2005, but I supported Mac networks, along with Windows, for some years before that.