The phrase "top hierarchy" refers to the highest level or highest-ranking individuals in a system or organization. It represents those who have the most authority and power in the leadership structure. Full definition
The Nigeria Police Force have released the phone numbers of top hierarchy of the command in the state to the public in its resolution to further rid Lagos state of the unabated activities of the dreaded Badoo cultists. (nigeriapoliticsonline.com)
Relations at the Santiago Bernabeu appear to be collapsing yet players who top the hierarchy such as Iker Casillas and Sergio Ramos are the ones singled out by Mourinho. (laligablog.com)
According to aggrieved members, they have petitioned the party top hierarchy about their concerns but are yet to receive any response. (ghanapoliticsonline.com)