Having spoken briefly with Martin Broughton on a flight back from FAO ,an sccm would be taking 17 crew under his / her wing ,performance managing them (part of a larger group that would consist of 17 sccms each responsible for 17 crew).Every month each sccm would be ground based dealing with everyday crew problems of the whole lot ie. 17x17 for two days,refering back any problems that arise to the relevant sccm responsible for the crew member.I got the impression that the sccms would fly regularly with their bunch,thus being in a far better position to monitor their performance.
This would seem a far better way to have feedback on crew than the current system of managers who each have far too many crew to manage,who dont get the opportunity to see how crew work onboard,who have to rely on IFAs to get any idea on a crewmember,and who probably would not recognise one of their team if he walked right in front of them.