I'm a newer writer, it's my second job, but I like it almost as much as my regular full-time job. I have various degrees and diplomas, but none of them are related to writing. I did enjoy creative writing when I was in school though, but I never gave it a lot of thought as a career.
I work as a medical scientist in Western Australia, full-time, and if I make a significant amount of money off this endeavor, I plan to donate a lot of it to medical research programs at children's hospitals. Not nearly enough money goes to scientific research these days :(