The content of BuildingEnergy Boston is curated by a volunteer committee of NESEA Members, who collectively put in hundreds of hours throughout the year to ensure that conference sessions are genuinely useful to attendees. If you are interested in serving on a future committee, please contact Ben Sachs-Hamilton, Conference Manager, at bsachs-hamilton@nesea.org.
2026 Conference Chairs
 Gregory Smith is a Senior Project Manager dedicated to bringing a focus on sustainability to every project, and promoting awareness and enthusiasm for Passive House, ZNE and carbon neutrality. He is a Certified Passive House Consultant through PHIUS. |
 Clay Tilton is the Existing Buildings Program Manager at Built Environment Plus. A key part of his work is launching the Building Performance Exchange, a centralized resource for improving efficiency and reducing emissions for large existing buildings in Massachusetts. Connecting professionals and owners with retrofit solutions will become vital as our building stock continues to age. |
2026 Conference Vice Chairs

Asher Greenberg (he/him) is the General Manager and Salesperson for steveworks LLC, a cooperatively owned residential design/build remodeling company in the Boston-West market focused on bringing holistic, environmentally responsible, elements to every project they work on. |
 Nicole Schuster AIA, CPHC, is the founding Principal of Positive Trace Architecture, where she brings nearly two decades of architectural experience focusing on building science, passive house consulting, sustainability, and envelope consulting. As a registered architect in New York State, Nicole's diverse experience spans project types including residential, multifamily, schools, offices, hotels, and medical buildings. |