Formerly Nashville’s assistant GM, he will oversee “player identification, recruitment, acquisition and roster development, integration of the academy and youth pipeline to the first team and the management and oversight of the technical staff,” the club said.
At 37, Mackay becomes the youngest general manager in MLS. He signed a four-year contract. Terms were not disclosed. His hiring was first reported by The Washington Post last week.
Mackay, who will report to co-chairmen Jason Levien and Steve Kaplan, will also lead the search for a head coach following Wayne Rooney’s departure last month.
His all-encompassing role is a major shake-up to the technical side of the front office, which, for more than 20 years, had been led by Dave Kasper.