How long have you been working on this particular project?

Question: How long have you been working on this particular project?
- Keywords:
  project,
  work
Asked by Josie.S to Craig on 3 Mar 2020.
- Craig Leff answered on 3 Mar 2020:
  
  I have been working on ExoMars since 2009. I worked on NASA rovers either full-time or part-time since 2001, so that’s almost 20 years of working on rovers! I’ve been very lucky.

Peter commented on 3 Mar 2020:

I started my current project in 2017, but have been working on Exomars landing site on and off since 2014.

Question: How long have you been working on this particular project?