Lefei MacMillan

Lefei (LaFay) MacMillan is a Strategic Integration Leader and Associate Director of Payment Integration & Strategy at Optum, where they focus on fintech payment services. They have experience as an Accountant at Ridout, Barrett & Co., P.C., and served as an Auditor and Audit Supervisor at Padgett, Stratemann & Co., LLP, and Sysco, respectively. Lefei has worked as an Internal Audit Consultant at UnitedHealth Group, where they planned and executed risk-based audits and promoted process improvement methodologies. They earned a Bachelor's degree in Accounting and Finance from The University of Texas at San Antonio in 2008.