BusinessAwards Forty under 40 Q&A: Dr. Leah Cullins By Caitie Burkes - November 20, 2018 FacebookTwitterLinkedinEmailPrint Dr. Leah S. Cullins, 39 Owner/Family Nurse Practitioner, Louisiana Healthcare Services; Assistant Professor, Southern University School of Nursing PROFESSIONAL ACHIEVEMENTS: Sub-investigating … Already an INSIDER? Sign in.