G4S Customer Service Excellence with Dale Carnegie (G4Su) Award For Completion By G4S North America Training Institute Published Sep 28, 2018 Duration 2mins Difficulty Beginner Average rating: 4.3 Number of reviews: 0 Replay Video This activity includes a preview of our G4S Customer Service Excellence Training Video. Path Navigation This Section Security Officer Training Video G4S Customer Service Excellence with Dale Carnegie (G4Su) Next Section Field Instructor Training Video