Daniel Overbey is the Director of Sustainability for Browning Day Mullins Dierdorf Architects in Indianapolis. His practice and writing focuses on high-performance building design and construction, environmental systems research, LEED-related services, and energy modeling. He has been published in High Performance Buildings,EcoBuilding Pulse, Environmental Design + Construction, as well as other trade publications and media outlets. Overbey is also a building science educator at Ball State University's College of Architecture and Planning and the Boston Architectural College's Sustainable Design Institute.