Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

A doctoral advisor ( also dissertation director or dissertation advisor ) is a member of a university faculty whose role is to guide graduate students who are candidates for a doctorate , helping them select coursework , as well as shaping , refining and directing the students ' choice of sub-discipline in which they will be examined or on which they will write a dissertation .
A doctoral advisor ( or dissertation director or dissertation advisor ) is a university faculty member whose helps guide graduate students who are candidates for a doctorate degree .