January 11, 2024

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

July 6, 2023

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

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May 16, 2023

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

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Filed under:Cambridge Blog Personnel

October 6, 2021

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

June 29, 2021

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

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