backroom staff

English

Noun

backroom staff pl (plural only)

1. The members of staff who work out of public view, such as the coaching team in a sports club.
   • 2011 October 29, Phil McNulty, “Chelsea 3 - 5 Arsenal”, in BBC Sport‎^[1]:

     Wenger's wild celebrations with his players and backroom staff told the story - and made it eight wins in Arsenal's last nine games.