The phrase "a roster of professionals" is correct and usable in written English.
It can be used when referring to a list or collection of qualified individuals in a specific field or profession.
Example: "The conference will feature a roster of professionals from various industries, sharing their insights and experiences."
Alternatives: "a list of experts" or "a lineup of specialists."
Despite enlisting a roster of professional arrangers and musicians, Charles intended to control the artistic direction of the recordings.
Site investigators approached hospital administrators for approval to conduct the study and obtained a roster of professional staff.
He enlisted a roster of seasoned professionals — from the ballet phenom David Hallberg to an exotic dancer — to train him for hours at a stretch, every day for five months, an endurance test in discipline and humility that the Times called "sweetly courageous".
In a case like Sierra Leone, where 500 ill-trained peacekeepers walked into ambushes in May, Secretary General Annan was left begging for military expertise -- finally provided by the British -- because the peacekeeping department did not have the people to do the job itself and did not have a roster of ready professionals on loan from governments to call on.
In Buffalo the three men and a roster of former professional athletes, including Jim Kelly of the Buffalo Bills, appeared in front of the U.S.S.
The boxer Acelino Freitas, known as Popó, and two soccer players, Danrlei de Deus Hinterholz and Deley de Oliveira, round out a roster of former professional athletes who are now legislators.
There is a lot of debate about the value of a manager to a major league roster of professionals.
Founded by a handful of Hell's Kitchen-based paramedics in 2005, in response to an earthquake in Pakistani Kashmir, the organization has now conducted seven relief missions, drawing on a roster of volunteer medical professionals who are prepared to deploy anywhere in the world.
The singers are plucked from a roster of 300 to 400 professionals.
The piece was performed by an assembled roster of professional and amateur players and choristers, apparently after just two full rehearsals.
