The phrase "and has mentioned" is correct and usable in written English.
It can be used when referring to something that someone has previously stated or brought up in conversation or writing.
Example: "The author has provided several insights in the article, and has mentioned the importance of community engagement."
Alternatives: "and has stated" or "and has referred to".
Andrew, or Fred, will capture the reader's attention straight away and has mentioned all of the interesting facts of his life and missing out the unessential items.
And because he goes everywhere and speaks, and has mentioned my name, it has made a difference with other poets and with readers".
Sheriff Arpaio has insisted that he is just enforcing the law and has mentioned in previous interviews that he has an adopted grandchild who is of Mexican descent.
Except, as Cruise told Fallon, and has mentioned at length everywhere else that he's promoted the movie, that was really him strapped against the fuselage from takeoff, to flight, to landing, for eight different takes.
On the campaign trail, Mr. Romney occasionally talks about faith and has mentioned his experiences in France in the late 1960s when he was a missionary; he never utters the word Mormon.
But before he got around to mailing it, Martha, who became Dean of Harvard Law School on July 1st and has mentioned as a possible choice for the U.S. Supreme Court, had already appeared on the show to discuss gay marriage.
His college friend often asked him medical questions and had mentioned a viral illness a few weeks earlier.
She said Shahzad commuted daily by train to New York City and had mentioned that he worked on Wall Street.
Dr. Ting said the collaboration had been pondering changing magnets for at least a year and had mentioned it to NASA.
Ghane had seen the same doctor many times before, and had mentioned the cyanide to him at least once, when he was suicidal the previous year.
He noted that Kile had dinner with his brother Friday night and had mentioned during the evening feeling some pain in the right shoulder and feeling very weak.
