Use capitals, without periods or a hyphen. Not: p.r., p-r, pr, P-R. Public relations is always singular, despite computer spell-checkers that attempt to make it plural. Be careful when you spell- check.

Do you capitalize position titles?

To summarize the capitalization of job titles, you should always capitalize the job title when it comes immediately before the person's name, in a formal context, in a direct address, in a resume heading, or as part of a signature line.

Do you capitalize job titles in resume?

You should capitalize specific job titles.

However, do not capitalize a job title if it is used as a general job description.