How long have you been a scientists?

Question: How long have you been a scientists?
- Keywords:
  scientist
Asked by 682fddk48 to Ciara, Elaine, Golnaz, Gonzalo, Yannis, Yvonne on 9 Nov 2017. This question was also asked by 954fddk22, 855fddk22, marcius, 342fddk37, 387fddk26.
- Ciara O'Donovan answered on 9 Nov 2017:
  
  I graduated 2 years ago so I guess since then.
- Gonzalo Delgado-Pando answered on 9 Nov 2017:
  
  Since I graduated, so more than 11 years!
- Ioannis Zabetakis answered on 9 Nov 2017:
  
  since 1993 when I graduated as a Chemist….

Question: How long have you been a scientists?