The phrase "star performers" refers to individuals who are exceptionally talented or skilled in a particular area. They are top achievers who consistently give outstanding performances in their field. Full definition
We pride ourselves in being recognized as a 5 - star performer in maternity care. (missionrmc.org)
When launching an internal startup, many established companies will bring on board star performers from the parent company — people with stellar resumes. (educationnext.org)
I am always amazed at how surprised some executives are when star performers leave. (entrepreneur.com)