Shannon Larson joined RMA in 2001 and has participated in and has been responsible for a variety of projects related to HEC’s Java-based application framework. Shannon works closely with the U.S. Army Corps of Engineers (USACE) Hydrologic Engineering Center (HEC) managing various HEC projects. Her main focus is Project Lead for the USACE Corps Water Management System software, CWMS. She was the lead developer of the hydrologic water quality modeling system (HWMS) and has worked extensively on developing enhancements for HEC-ResSim (HEC’s Reservoir System Simulation software), including the HEC-5Q, Ensemble, Monte Carlo, and Firm-Yield plug-ins. In addition, she is a key player in debugging HEC-ResSim issues and providing support for HEC-ResSim and CWMS specific projects. Shannon has authored and co-authored software documentation and teaching materials, and assists with software training and quality-assurance testing. She earned her bachelor’s degree in computer science with a minor in mathematics from California State University, Chico.