what was your career before scientist and why did you change if you even did?

Question: what was your career before scientist and why did you change if you even did?
- Keywords:
  career,
  scientist
Asked by Reece to Adrian, Iroise, Joe, Rachel, Ria on 8 Nov 2016. This question was also asked by jazz.
- Iroise Dumontheil answered on 8 Nov 2016:
  
  I didn’t switch career, I did an MSc after my undergraduate degree, then a PhD and continued in research. So I’ve always been a scientist.

Question: what was your career before scientist and why did you change if you even did?