In my quest of finding a design critique process that could work for our team i found several useful articles on the web and i taught il share it. Its about a 20 minutes read in total.
Why do you need a good process, article by Julie Zhuo: https://medium.com/the-year-of-the-looking-glass/build-a-trustworthy-design-process-89e964d0a3a5
A very well detailed article about doing a design critique, by JAKE KNAPP: http://www.fastcodesign.com/3019674/9-rules-for-running-a-productive-design-critique
Also found this article useful: https://medium.com/design-ux/getting-the-most-from-design-critiques-33f6018097a8