Celia Hoag is a Senior Engineer with DNV GL’s Program Development & Implementation group. Her current roles as a senior engineer is technical lead in high performance design and zero net energy design projects for architects and engineers design community, utility clients and education industry across the county. She continues to work as a technical consultant on the development and implementation of zero net energy programs for the commercial sector across the nation, including Consumers Energy. Celia also develops whole building energy performance models (including computational fluid dynamics and daylighting analysis) for both residential and commercial building types. She performs detailed thermal comfort analysis, daylighting modeling and computational fluid dynamic modeling on residential and commercial projects to inform design decisions or to meet specific LEED requirements. Celia acts as a peer reviewer and mentor to junior staff members. She continues to provide energy modeling training, technical support and review of whole building design incentive applications for utility energy efficiency programs across the United States.