I'm a systems administrator (Linux primarily, but competent with Windows as well), game designer, woodworker, photographer, cook, urban homesteader, carpenter, and I'm sure I'm missing a few things. I've done a lot of things in life because they interest me and when I can't pursue them for some reason, I find something else to fill the time.
I generally won't speak up on a topic unless I'm pretty sure I'm giving good information. If I find that it's not right, I'll try and correct it after the fact.