Show Icon on thread resonse or created by specific role

Requirement:

When a thread has a response, or is started by someone with the role of - "DigitalPlatforms Support"  or  - "Administrator" 
then we need to display an icon next to the thread display when viewing a board:
As an example, please see the following mock-up: https://playstation.box.com/s/wf8t6e7y69rvj63n194l  

We want to implement it on all the listing of threads on a boards  

E.g. We want  it on URL :  http://community.us.playstation.com/t5/PlayStation-General/bd-p/10031