The phrase "associate since" is not correct and does not convey a clear meaning in written English.
It may be intended to indicate a duration of association or membership, but it lacks clarity and proper context.
Example: "I have been an associate since 2020."
Alternatives: "member since" or "affiliated since".
Gates was Paul Manafort's business associate since 2006 and worked as his deputy during Trump's presidential campaign.
So is Carmen D'Apollonio, who was out of town; a fashion designer who has her own clothing line in Zurich, D'Apollonio has been Fischer's invaluable associate since 2000.
Lauren Emberson, in psychology, will join the faculty in fall 2015 from the University of Rochester, where she has been a postdoctoral associate since 2012.
Now they're returning with "Jeff, Who Lives at Home," starring Jason Segel (who, of course, has been an Apatow associate since "Freaks and Geeks"), about which, more soon (it comes out on March 16th).
It was being taken out to him this week, along with the final mixes of his forthcoming album, by Nick Gold, of the World Circuit label, who had been a close associate since producing his first British release in 1987.
The Greenwich Symphony hasn't needed to hold a conductor search within recent memory, since its music director, David Gilbert, has been at the helm for over 25 years, with Patricia Handy serving as associate since 1979.
Reyes has known Greenberg and his associates since he was a teenager.
Mr. Rove and Mr. Perry have been associates since at least 1986, when they both worked on the gubernatorial campaign of Bill Clements.
But the opposition leader has not been seen by associates since he was swiftly handcuffed at Harare's airport and hustled away.
She wears a distinctive conical hat on top of her beautiful head: the Phrygian cap, associated since Roman times with emancipation and freedom.
Upon his death, he donated La Pietra to New York University, with which he had been associated since the 1960's, to be used for international seminars.
