Michelle Switzer serves as the Systems Engineering, Integration and Test (SEIT) and Digital Engineering (DE) Lead at Phantom Works, bringing over 20 years of specialized experience in Modeling and Simulation, Systems Engineering, and Test at The Boeing Company. She is a recognized leader in implementing open system architectures, including MOSA/ WOSA, to drive agile weapon development and digital engineering across Boeing's weapons programs. As a key contributor to the Department of Defense (DoD) WOSA consortium working groups, Michelle provides critical modeling support for the WOSA Reference Architecture Model-Based Systems Engineering (MBSE) model, facilitating its integration into industry tools and standards. Her ongoing collaboration with multiple DoD weapon and missile offices focuses on enhancing Digital Engineering Ecosystem connectivity, ensuring that innovative solutions are effectively deployed in support of national defense.