Bit of trivia?
Barry holds 1.29% in the top 20.
Have located a Barry Sydney Patterson as one of the directors of SHL (Sonic Healthcare). Mr Patterson is an engineer and has a corporate mining back ground.
See link - http://www.sonichealthcare.com/about-us/board-of-directors.aspx
Not sure if this is the same BSP. May offer a snippet of interest if it is, lol, as we patiently wait :)