BusinessAwards Forty under 40 Q&A: Courtney de la Bretonne Hart By Holly Duchmann - November 20, 2018 FacebookTwitterLinkedinEmailPrint Courtney de la Bretonne Hart, 37 Senior Regional Marketing Manager, Hancock Whitney PROFESSIONAL ACHIEVEMENTS: Managing a $5 million event for Microsoft at 23 years of age. Earning a Masters i… Already an INSIDER? Sign in.