Dǒngshìhuì wěirèn tā dānrèn xīnrèn shǒuxí zhíxíngguān.
The board of directors appointed her as the new CEO.
Tips
usage
委任 and 委派 are close in meaning. 委任 more often refers to appointing someone to a formal position or title, while 委派 emphasizes sending/assigning someone to carry out a task.