The phrase "an associate named" is correct and usable in written English.
You can use it when introducing or referring to a specific person who holds the title of associate.
Example: "I spoke with an associate named Sarah during the meeting, and she provided valuable insights."
Alternatives: "a colleague called" or "a partner referred to as".
"That would kill the comic industry," an associate named Sal Calciano says with evident satisfaction.
They gave it to an associate named Ralph Walker, a very talented young associate, to design this building.
In some lobbying filings, Sean registered jointly with an associate named Johnny Lu, who was said to be an "international trade consultant".
Darrin, with an associate named Fernances, set up shop in Paris, where he designed bodies for Hispano-Suizas, Minervas, and Isotta Franschinis.
He did this not by mining but by prospecting, along with an associate named Ken McCamey, and by tirelessly lobbying the state and federal governments to repeal an embargo on the export of iron ore and a ban on the pegging of claims.
Another theory is that the job was carried out by two criminals, one named Myles Connor, a rock guitarist imprisoned for an art heist in 1975, who came forward to offer the art's return in 1997 through an associate named William Youngsworth.
After a while, he is visited by an old associate named Michael (the sexy and authoritative Charlie Pollock), a stiff-backed alpha male and committed capitalist in a natty suit.
She was referring, unfortunately, to my latest failed project, which began that morning when I went to a home improvement center to rent a machine that a sales associate named Fred started on the first try.
In one case last year, prosecutors said, the captain, Anthony Ciccone, known as Sonny, dispatched a mob soldier, Primo Cassarino, and the Lump -- a Mafia associate named Richard Bondi -- to Florida to collect a $30,000 debt.
The witness, a former associate named Mustafa Nasimi, accused Kassar of orchestrating the kidnapping, a charge that Kassar angrily denied.
The split is said to have exploded into war when the Arellano Félix brothers reacted to a drug deal with Palma going wrong by asking a Venezuelan associate named Rafael Clavel Moreno to seduce his wife.
