This is a presentation on Designing, Characterizing & Optimizing Proppant & Flow Monitoring Materials for a Utah FORGE Engineered Geothermal System by Oklahoma State University, presented by Dr. Mileva Radonjic. This video slide presentation discusses enhanced proppant coatings, zeolite tracer particles, high-temperature and high-pressure laboratory tests, and coupled CFD-DEM and THMC modeling to improve proppant durability, fracture conductivity, and flow monitoring for long-term Enhanced Geothermal System (EGS) performance. This presentation was featured at the Utah FORGE R&D Annual Workshop on September 10, 2025. The workshop offered a valuable opportunity to review the progress of Research and Development projects funded under Solicitation 2022-2, which aim to improve our understanding of the key factors influencing Enhanced Geothermal System (EGS) reservoir and resource development.