Ensures quality of software and acts as gatekeeper of change control. (theladders.com)
I think that small publishers do a fine job of bucking the trends, but even they serve as gatekeepers of what is and what isn't of value. (goodereader.com)
A man of rigorous routine, his closest confident is his sister Cyril (Lesley Manville, wonderfully prickly), whom he entrusts as a sort of gatekeeper for his life. (scotsman.com)