2 sentences for 掌管 (zhǎng​guǎn — manage)

1. 他在这家公司掌管人事部门。

   tā zài zhè jiā gōng​sī zhǎng​guǎn rén​shì bù​mén.

   He is in charge of the human resources department in this company.

   Source: Dong Chinese Dictionary

2. 大司马在古代是掌管军事的高官。

   dà​sī​mǎ zài gǔ​dài shì zhǎng​guǎn jūn​shì de gāo​guān.

   The Da Sima was a high-ranking military official in ancient times.

   Source: Dong Chinese Dictionary