“Dear Professor Jones, Professor Smith, and Professor Ali. ” “Dr. Jones, Dr. Smith, and Professor Ali,” “Dr. Jones and Professor Smith,”

You may have seen Ph. D. holders put “Ph. D. ” at the end of their name. This is something authors do, but you shouldn’t need to write it this way.

You’re very unlikely to get into any trouble by referring to your college teacher as “professor,” even if they are a doctor. At worst, they’ll kindly correct you. In the United States, it is generally seen by most educators as socially acceptable to address a doctor who is also a professor as “professor. ” It’s not technically correct, but you’re unlikely to offend any of your educators. As such, you can usually call a doctor a professor or Dr. in email. [5] X Research source

A Ph. D. student is not a doctor yet, but they may still be a professor. “Professor” traditionally refers to tenure-track educators at the collegiate level, but there’s no harm or risk of offense by calling an adjunct instructor, lecturer, or TA, “professor. ”[7] X Research source “Miss” has historically been used to address unmarried women, while “Mrs. ” has referred to married women. These titles are going out of style since many people find them offensive, so you’re best off skipping these. [8] X Research source

For example, in Canada, you are not “officially” allowed to refer to non-medical doctors as “Dr. ” You would address them as “Mr. Jones, Doctor of Mathematics. ” This also applies to the “Jimmy Jones, Ph. D. ” form, too. In the United Kingdom, for example, you don’t use any periods. Someone in the UK would write, “Jimmy Jones, PhD” without the punctuation.