2 sentences for 主管 (zhǔ​guǎn — in charge)

1. 他主管公司的人事和财务部门。

   tā zhǔ​guǎn gōng​sī de rén​shì hé cái​wù bù​mén.

   He is in charge of the company's human resources and finance departments.

   Source: Dong Chinese Dictionary

2. 铁道部曾是中国铁路运输的主管部门。

   Tiě​dào​bù céng shì Zhōng​guó tiě​lù yùn​shū de zhǔ​guǎn bù​mén.

   The Ministry of Railways was once the administrative department for China's railway transport.

   Source: Dong Chinese Dictionary