Siena’s Director of Operations Greg Antonopoulos has over four decades of construction industry experience. Greg grew up in Cambridge – less than one mile from Siena’s current offices. Despite that short path, it’s been a long, successful journey for one […] Finish story

Siena’s Sustainable Values = Partnerships + Outreach Among Siena’s core firm values is a focus on sustainability. We define sustainability in the holistic sense – as an ongoing process of maintaining our building-related commitments towards a lasting change for the […] Finish story

It’s said that a rolling stone gathers no Mosca. From humble beginnings shoveling snow to building ground up facilities and cutting edge labs, Siena’s Vice President Hank Mosca has pretty much seen and done it all. Hank has been a […] Finish story

Life Science construction continues to be an extremely competitive market throughout Greater Boston. Navigating the complexities of existing conditions, material delays, ownership requirements, budget and schedule constraints, and sensitive science requires experience and knowledge of the entire project team. And […] Finish story

BOSTON, MA – Siena Construction is proud to have an ongoing partnership with Harvard Business School. Since 2021, Siena has acted as construction manager on a variety of renovation projects for the private research university on their Boston campus: Spangler […] Finish story

Senior Project Manager Keith Kingdon joined Siena during the great hiring spree of 2021, and has quickly proven himself as an integral member of Team Siena. Keith brings a professional, personable, and collaborative approach to his projects and daily sit-downs […] Finish story

Watertown, MA – Siena Construction has completed an interior tenant renovation project for a non-profit community organization dedicated to bringing arts and culture to the greater Boston community. The Mosesian Center for the Arts is a vibrant multi-disciplinary arts organization […] Finish story

CAMBRIDGE, MA – Siena Construction has completed a 13,000 square-foot laboratory and office renovation project at 237 Putnam Avenue, a mixed-use, multi-tenant facility located within Blackstone Science Square in Cambridge’s Riverside neighborhood. Siena acted as the construction manager on the […] Finish story

CAMBRIDGE, MA – Siena Construction is pleased to announce the successful project completion of a dynamic office renovation in Cambridge for a client working in a fascinating market that combines applied microeconomics and public policy. Appian Way Energy Partners is […] Finish story

CAMBRIDGE, MA – The Building Cambridge Futures Scholarship Fund, a nonprofit initiative created in 2020 by Siena Construction, is based upon the conviction that an educated, equitable society is essential to a healthy community. The purpose of the Scholarship Fund […] Finish story