Mallory Van Horn

Ms. Van Horn’s expertise includes clinical quality measurement and reporting, accreditation, value-based care and health plan operations performance and improvement. She brings extensive experience with Medicare Advantage Star Ratings and Medicaid Quality performance improvement, including HEDIS® and CAHPS®. Additionally, she has launched provider-led entities and developed strategies to address affordability, health equity and social determinants of health.
Prior to joining A&M, Ms. Van Horn spent 16 years with UnitedHealth Group, serving most recently as the CEO for UnitedHealthcare’s Community Plan of Oklahoma. Previously, she led the health management and operations consulting practice for Optum Advisory Services, where she developed and delivered best-in-class solutions to drive measurable performance across the health plan ecosystem through administrative operations, medical management, network management and quality.
Prior to this, Ms. Van Horn worked for APS Healthcare, where she was responsible for quality data and reporting initiatives for both the Oklahoma and Florida State Medicaid programs. She also helped launch a healthcare startup specializing in developing web-based tools for Accountable Care Organizations (ACOs) and Health Information Exchanges (HIEs).
Ms. Van Horn earned a bachelor’s degree from Wellesley College and a master’s degree in public health and business administration from the University of Oklahoma.