![Joseph DiIenno](https://interfaceengineering.com/uploads/leadership/Joseph-DiIenno-400x400.jpg)
Joseph DiIenno
PE, LEED AP BD+C
Principal
Joe is responsible for all elements of mechanical design, overseeing all project phases and managing the mechanical project team on a variety of project types. With over 20 years of professional experience, he brings innovative ideas, diverse experience, and extensive knowledge of sustainable engineering to our team.
Projects
![WMATA Headquarters DC-pv](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/WMATA-Photoshopped-version.jpg)
![NMUSA exterior entrance photo jpg](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/205014_000_N38_jpg.jpg)
![Monument Academy](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/Monument-Academy.jpg)
![1280X650 Australian Embassy](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/1280x650-Australian-Embassy.jpg)
![George Mason Hero Image 1280x650](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/George-Mason-Hero-Image_1280x650.jpg)
![Whisper Valley 1280X650](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/Whisper-Valley-1280x650.jpg)
![Basis 1 Cropped 1280X650](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/BASIS-1_cropped_1280x650.jpg)
![Ifc Headquarters 1280X650](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/IFC-Headquarters-1280x650.jpg)
![AGU Building Exterior and Walk Photo Eric Laignel 1280x650](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/AGU-Building-Exterior-and-Walk_Photo-Eric-Laignel-1280x650.jpg)
News & Awards
![WMATA Headquarters Best Sustainable Development Finalist](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/Best-Sustainable-Development-Finalist.jpg)
Best Sustainable Development Finalist
Washington Business Journal 2023The Washington Business Journal named the WMATA Headquarters, a Finalist for the Best Sustainable Development. The 230,000-square-foot building was designed to help the public…
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![AGU ULI Award Social Promo](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/AGU-ULI-Award-Social-Promo.jpg)
ULI Washington 2023 Project Awards
The American Geophysical Union Headquarters, located at 2000 Florida Avenue, NW, Washington, DC 20009 was the winner for Excellence in Sustainability at the ULI Washington 2023…
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![Metamorphosis Award Social Promo](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/Metamorphosis-Award-Social-Promo.jpg)
1st Place Whole Building Metamorphosis Awards
Retrofit MagazineThe ambitious renovation, whose lofty performance goals are intended to showcase progress in sustainable design and inspire similar approaches in other facilities, earned the AGU…
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![AGU Net Zero Buildings Week Social Promo](https://interfaceengineering.com/uploads/general/_800x406_crop_center-center_95_none/AGU-Net-Zero-Buildings-Week-Social-Promo.jpg)
Office Renovation Net Zero Buildings Week
We are excited to join New Buildings Institute for Net Zero Buildings Week, spreading the word about #netzero #buildings and the people behind them.Kicking things off with the…
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