2 sentences

1. 他将继任该公司的首席执行官。

   tā jiāng jì​rèn gāi gōng​sī de shǒu​xí zhí​xíng​guān.

   He will succeed as the CEO of the company.

   Source: Dong Chinese Dictionary

2. 委员会正在为退休的经理寻找合适的继任。

   wěi​yuán​huì zhèng​zài wèi tuì​xiū de jīng​lǐ xún​zhǎo hé​shì de jì​rèn.

   The committee is looking for a suitable successor for the retired manager.

   Source: Dong Chinese Dictionary