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Jeffrey Roseberry has extensive experience in air quality improvement and purification technology. Since 1999, Jeffrey Roseberry has served as a member of several Technical Committees at ASHRAE, focusing on indoor air quality enhancements through gas-phase filtration technologies, particularly within the TRG4. Additionally, since September 1988, Jeffrey Roseberry has held the position of President at ProMark Associates, Inc., where the design and construction of air purification systems that effectively remove gases, bacteria, viruses, and particulates are key responsibilities. Recent innovations under Jeffrey Roseberry's leadership aim to lower energy costs for buildings and operations while minimizing gas-phase usage to reduce waste. Jeffrey Roseberry holds an MBA from Northwestern University - Kellogg School of Management and a BS in Chemical Engineering from The University of Tulsa.