The phrase "preeminent leader" means someone who is the very best and most influential in their field or position. They stand out among others as the top leader. Full definition
We work with preeminent leaders in the aviation industry to assist us in the investigation, analysis and trial development of each case. (deanslyons.com)
«The newly elected members are preeminent leaders in their respective areas of educational research, and they are recognized for the extraordinary influence that they have had on education in the U.S. and abroad,» said NAEd President Susan Fuhrman. (gse.harvard.edu)
Outstanding Contributions to SWATA and NATA: Born January 1, 1911 in Erie Pennsylvania, Eddie Wojecki became one of the preeminent leaders in SWATA and NATA. (swata.org)