higher-up
noun [ C ] informal uk/ˌhaɪ.ərˈʌp/ us/ˌhaɪ.ɚˈʌp/
（机构中的）高层人物，要员
someone with a more important position than you in an organization
They're still waiting for a decision about the extra money from the higher-ups. 他们还在等待高层人物们就额外的资金作出决定。
Synonym: superior