Jack Null

Jack Null is currently a Data Science Advisor in Pricing and Underwriting at The Cigna Group, where they apply advanced analytics and machine learning to drive business decisions. Previously, they served as a Data Science Lead Analyst within Cigna’s Pharmacy Clinical Analytics, leading impactful projects that resulted in significant cost savings. Jack's experience includes a role as a Data Science Graduate Student Consultant at Hanesbrands Inc., where they enhanced customer purchase segmentation using unsupervised learning models. Jack's academic background includes a summer research scholarship at Washington and Lee University, where they contributed to the intersection of music theory, mathematics, and data science. They earned their high school diploma from Peddie School.