Siena Construction
@sienaconstruction.bsky.social
Cambridge, MA based construction management firm, specializing in building for life sciences, commercial, higher education, and non-profit sectors throughout greater Boston.
For #GivingTuesday Siena is honored to support a nonprofit close to our ❤️. Razia's Ray of Hope operates the 1st all-girls’ school in rural Afghanistan, empowering students & families through education. Tomorrow, every donation will be matched up to $10,000 by Siena! Donate here: raziasrayofhope.org
December 1, 2025 at 3:50 PM
For #GivingTuesday Siena is honored to support a nonprofit close to our ❤️. Razia's Ray of Hope operates the 1st all-girls’ school in rural Afghanistan, empowering students & families through education. Tomorrow, every donation will be matched up to $10,000 by Siena! Donate here: raziasrayofhope.org
We’re excited to welcome Alex Cruz to Siena as our newest Union Laborer! Alex will play a key role supporting site operations – maintaining safe, organized work areas, assisting trades, coordinating material movement, and keeping our projects running efficiently. We’re thrilled to have him on board!
November 24, 2025 at 4:13 PM
We’re excited to welcome Alex Cruz to Siena as our newest Union Laborer! Alex will play a key role supporting site operations – maintaining safe, organized work areas, assisting trades, coordinating material movement, and keeping our projects running efficiently. We’re thrilled to have him on board!
Congrats to our friend and photographer @sri-thumati.bsky.social, the Photographic Resource Center's 2025 Artist-in-Residence!
Come celebrate the culmination of Sri's residency and experience how dialogue and discovery unfold through photography. Event tomorrow:
www.prcboston.org/artist-in-re...
Come celebrate the culmination of Sri's residency and experience how dialogue and discovery unfold through photography. Event tomorrow:
www.prcboston.org/artist-in-re...
November 13, 2025 at 6:38 PM
Congrats to our friend and photographer @sri-thumati.bsky.social, the Photographic Resource Center's 2025 Artist-in-Residence!
Come celebrate the culmination of Sri's residency and experience how dialogue and discovery unfold through photography. Event tomorrow:
www.prcboston.org/artist-in-re...
Come celebrate the culmination of Sri's residency and experience how dialogue and discovery unfold through photography. Event tomorrow:
www.prcboston.org/artist-in-re...
Siena renovated a 5,000sf university lab where researchers study the impacts of venom across species – blending wet & dry lab science. Take a photo tour of this dynamic space for learning & research – no venom antidote needed!
🔗 - sienaconstruction.com/project/camp...
📷 - @sri-thumati.bsky.social
🔗 - sienaconstruction.com/project/camp...
📷 - @sri-thumati.bsky.social
November 12, 2025 at 3:13 PM
Siena renovated a 5,000sf university lab where researchers study the impacts of venom across species – blending wet & dry lab science. Take a photo tour of this dynamic space for learning & research – no venom antidote needed!
🔗 - sienaconstruction.com/project/camp...
📷 - @sri-thumati.bsky.social
🔗 - sienaconstruction.com/project/camp...
📷 - @sri-thumati.bsky.social
Siena's Director of Life Sciences Alex Testa will be a panelist at Bisnow's Boston Biotech Summit on 12/2 in Somerville!
Alex will share insights on "Aligning Tenant Preferences With Construction, Design, and Collaboration Hubs For Lab Space." Join us! Register here: www.bisnow.com/events/bosto...
Alex will share insights on "Aligning Tenant Preferences With Construction, Design, and Collaboration Hubs For Lab Space." Join us! Register here: www.bisnow.com/events/bosto...
2025 Boston Biotech Summit
Join us for Bisnow's 2025 Boston Biotech Summit to learn from the city's top life sciences companies, developers, investors and city officials on navigating market constraints and identifying fundamen...
www.bisnow.com
November 6, 2025 at 2:47 PM
Siena's Director of Life Sciences Alex Testa will be a panelist at Bisnow's Boston Biotech Summit on 12/2 in Somerville!
Alex will share insights on "Aligning Tenant Preferences With Construction, Design, and Collaboration Hubs For Lab Space." Join us! Register here: www.bisnow.com/events/bosto...
Alex will share insights on "Aligning Tenant Preferences With Construction, Design, and Collaboration Hubs For Lab Space." Join us! Register here: www.bisnow.com/events/bosto...
This summer, Siena coordinated a series of department renovations across four campus buildings at the College of the Holy Cross in Worcester. The system upgrades were designed to revitalize learning and work spaces. Photo tour here (📷 @sri-thumati.bsky.social)!
sienaconstruction.com/project/holy...
sienaconstruction.com/project/holy...
October 6, 2025 at 1:20 PM
This summer, Siena coordinated a series of department renovations across four campus buildings at the College of the Holy Cross in Worcester. The system upgrades were designed to revitalize learning and work spaces. Photo tour here (📷 @sri-thumati.bsky.social)!
sienaconstruction.com/project/holy...
sienaconstruction.com/project/holy...
We're sorry to share the news of the passing of Razia Jan, founder of Razia's Ray of Hope and a steadfast advocate for young women's education in Afghanistan. Siena was fortunate to have collaborated with Razia in support of her mission. She will be greatly missed.
www.nytimes.com/2025/08/04/w...
www.nytimes.com/2025/08/04/w...
Razia Jan, 81, Who Built an Enduring Girls’ School in Afghanistan, Dies
www.nytimes.com
August 6, 2025 at 1:10 PM
We're sorry to share the news of the passing of Razia Jan, founder of Razia's Ray of Hope and a steadfast advocate for young women's education in Afghanistan. Siena was fortunate to have collaborated with Razia in support of her mission. She will be greatly missed.
www.nytimes.com/2025/08/04/w...
www.nytimes.com/2025/08/04/w...
Siena has placed in 2 BBJ Lists of Largest MA firms:
🏆 85th Largest Private Firm
🏆 26th Largest GC
We're proud to build and support community in this place we call home. Thanks to our clients, partners, and employees for contributing to our lasting success. Let's continue to build together!
🏆 85th Largest Private Firm
🏆 26th Largest GC
We're proud to build and support community in this place we call home. Thanks to our clients, partners, and employees for contributing to our lasting success. Let's continue to build together!
June 13, 2025 at 2:03 PM
Siena has placed in 2 BBJ Lists of Largest MA firms:
🏆 85th Largest Private Firm
🏆 26th Largest GC
We're proud to build and support community in this place we call home. Thanks to our clients, partners, and employees for contributing to our lasting success. Let's continue to build together!
🏆 85th Largest Private Firm
🏆 26th Largest GC
We're proud to build and support community in this place we call home. Thanks to our clients, partners, and employees for contributing to our lasting success. Let's continue to build together!
Siena has been recognized with our 7th straight AGC National Safety Award, and also the Clifford E. Simmons Memorial Award for MA's best safety record in 2024! Last year Siena logged zero site safety incidences with 110,000+ work hours. Shoutout to our Supers and PM's for prioritizing job safety!
June 9, 2025 at 1:14 PM
Siena has been recognized with our 7th straight AGC National Safety Award, and also the Clifford E. Simmons Memorial Award for MA's best safety record in 2024! Last year Siena logged zero site safety incidences with 110,000+ work hours. Shoutout to our Supers and PM's for prioritizing job safety!
PWC's Party with a Purpose raises funds for Boston Scholarships. The fund is open to New England applicants who are pursuing a career or studying AEC trades.
Siena's proud to support PWC's mission to promote diversity AEC related industries! Join us 6/18!
members.pwc-boston.org/events/Detai...
Siena's proud to support PWC's mission to promote diversity AEC related industries! Join us 6/18!
members.pwc-boston.org/events/Detai...
Party With A Purpose
PWC Boston is proud to present Party with a Purpose, a vibrant evening of food, drinks, prizes, meaningful conversation, and community spirit — all in support of a great cause. We’re thrilled to annou...
members.pwc-boston.org
June 6, 2025 at 1:36 PM
PWC's Party with a Purpose raises funds for Boston Scholarships. The fund is open to New England applicants who are pursuing a career or studying AEC trades.
Siena's proud to support PWC's mission to promote diversity AEC related industries! Join us 6/18!
members.pwc-boston.org/events/Detai...
Siena's proud to support PWC's mission to promote diversity AEC related industries! Join us 6/18!
members.pwc-boston.org/events/Detai...
SCIEX is a global manufacturer of instruments used in biotech R+D. Siena just completed renovations for SCIEX's 61,000 sf lab, office, and conference center in Marlboro.
Take a photo tour of this elegant, modern space here: sienaconstruction.com/project/sciex/
Photos by @sri-thumati.bsky.social
Take a photo tour of this elegant, modern space here: sienaconstruction.com/project/sciex/
Photos by @sri-thumati.bsky.social
May 28, 2025 at 1:27 PM
SCIEX is a global manufacturer of instruments used in biotech R+D. Siena just completed renovations for SCIEX's 61,000 sf lab, office, and conference center in Marlboro.
Take a photo tour of this elegant, modern space here: sienaconstruction.com/project/sciex/
Photos by @sri-thumati.bsky.social
Take a photo tour of this elegant, modern space here: sienaconstruction.com/project/sciex/
Photos by @sri-thumati.bsky.social
Siena had a great time at One8 Foundation's Applied Learning Showcase. Massachusetts students (grades 5-12) presented STEM, Civics, and Applied Learning projects to industry professionals. Our team shared practical feedback and motivation with students, and also got to chat with Gov. Maura Healey!
May 9, 2025 at 6:52 PM
Siena had a great time at One8 Foundation's Applied Learning Showcase. Massachusetts students (grades 5-12) presented STEM, Civics, and Applied Learning projects to industry professionals. Our team shared practical feedback and motivation with students, and also got to chat with Gov. Maura Healey!
Siena Construction just completed Disc Medicine's beautiful 18,000 sf office renovation over two floors at Watertown's Arsenal on the Charles campus. Designs by Visnick & Caulfield. Photos by @sri-thumati.bsky.social. Take a photo tour here: sienaconstruction.com/project/disc/
May 7, 2025 at 1:19 PM
Siena Construction just completed Disc Medicine's beautiful 18,000 sf office renovation over two floors at Watertown's Arsenal on the Charles campus. Designs by Visnick & Caulfield. Photos by @sri-thumati.bsky.social. Take a photo tour here: sienaconstruction.com/project/disc/
It's #ConstructionSafetyWeek! Safety is woven into Siena's everyday building practices and procedures.
In 2024, Siena logged zero incidents with 110K+ labor hours, leading to our 6th AGC National Safety Award.
Learn how we plan for safety every day: www.constructionsafetyweek.com/plan-for-saf...
In 2024, Siena logged zero incidents with 110K+ labor hours, leading to our 6th AGC National Safety Award.
Learn how we plan for safety every day: www.constructionsafetyweek.com/plan-for-saf...
May 6, 2025 at 1:21 PM
It's #ConstructionSafetyWeek! Safety is woven into Siena's everyday building practices and procedures.
In 2024, Siena logged zero incidents with 110K+ labor hours, leading to our 6th AGC National Safety Award.
Learn how we plan for safety every day: www.constructionsafetyweek.com/plan-for-saf...
In 2024, Siena logged zero incidents with 110K+ labor hours, leading to our 6th AGC National Safety Award.
Learn how we plan for safety every day: www.constructionsafetyweek.com/plan-for-saf...
It’s May Day, a celebration of the international labor movement, and also our Incorporation Day! Founded on this day in '91, Siena celebrates our team of PM's, office personnel, superintendents, and laborers who work tirelessly to build community together! Styles may change, but taste remains...
May 1, 2025 at 2:27 PM
It’s May Day, a celebration of the international labor movement, and also our Incorporation Day! Founded on this day in '91, Siena celebrates our team of PM's, office personnel, superintendents, and laborers who work tirelessly to build community together! Styles may change, but taste remains...
Siena completed the 2nd phase of office, restroom with showers, and manufacturing warehouse fit-out for Repligen in Shrewsbury. Project plans for the 32,910 sf upgrades were created by Dario Designs and Haley Ward.
Photo tour this minimalist, clean space here:
sienaconstruction.com/project/repl...
Photo tour this minimalist, clean space here:
sienaconstruction.com/project/repl...
April 29, 2025 at 2:17 PM
Siena completed the 2nd phase of office, restroom with showers, and manufacturing warehouse fit-out for Repligen in Shrewsbury. Project plans for the 32,910 sf upgrades were created by Dario Designs and Haley Ward.
Photo tour this minimalist, clean space here:
sienaconstruction.com/project/repl...
Photo tour this minimalist, clean space here:
sienaconstruction.com/project/repl...
ButcherBox is a meat subscription service firm with headquarters in Watertown. Siena oversaw the refresh of their two-story 13,000 sf offices in the historic Arsenal On the Charles campus. Take a graze through this beautifully designed space at our website! sienaconstruction.com/project/butc...
April 23, 2025 at 3:06 PM
ButcherBox is a meat subscription service firm with headquarters in Watertown. Siena oversaw the refresh of their two-story 13,000 sf offices in the historic Arsenal On the Charles campus. Take a graze through this beautifully designed space at our website! sienaconstruction.com/project/butc...
Siena is excited to sponsor MIT Sustainability Summit: Adapting for Tomorrow.
This year’s emphasis is adaptation + climate resilience, exploring how various sectors can prepare for an uncertain future.
Join us May 2 at MIT's Samberg Conference Center. Register: www.sustainabilitysummit.mit.edu
This year’s emphasis is adaptation + climate resilience, exploring how various sectors can prepare for an uncertain future.
Join us May 2 at MIT's Samberg Conference Center. Register: www.sustainabilitysummit.mit.edu
MIT Sustainability Summit 2025
www.sustainabilitysummit.mit.edu
April 18, 2025 at 3:13 PM
Siena is excited to sponsor MIT Sustainability Summit: Adapting for Tomorrow.
This year’s emphasis is adaptation + climate resilience, exploring how various sectors can prepare for an uncertain future.
Join us May 2 at MIT's Samberg Conference Center. Register: www.sustainabilitysummit.mit.edu
This year’s emphasis is adaptation + climate resilience, exploring how various sectors can prepare for an uncertain future.
Join us May 2 at MIT's Samberg Conference Center. Register: www.sustainabilitysummit.mit.edu
Watertown's Arsenal on the Charles is a refreshed campus with a rich military + manufacturing history. Siena provided construction services on several projects at 321 Arsenal, including interior atrium + exterior envelope upgrades!
Take a photo tour here! sienaconstruction.com/project/arse...
Take a photo tour here! sienaconstruction.com/project/arse...
April 17, 2025 at 1:44 PM
Watertown's Arsenal on the Charles is a refreshed campus with a rich military + manufacturing history. Siena provided construction services on several projects at 321 Arsenal, including interior atrium + exterior envelope upgrades!
Take a photo tour here! sienaconstruction.com/project/arse...
Take a photo tour here! sienaconstruction.com/project/arse...
Siena is saddened about the passing of Alex Young. We're honored to have called Alex a friend and our Pan-Mass Challenge Pedal Partner. A courageous 11-year-old, Alex left an everlasting impression on everyone who was privileged to know him. Condolences to his family.
www.boston.com/news/massach...
www.boston.com/news/massach...
Local obituary: Alexander Young, 11, Whitman Boy Scout, baseball player, and bowler
"Alex loved camping and traveling with his family. He had a deep fascination with trains and high-end cars."
www.boston.com
April 15, 2025 at 5:49 PM
Siena is saddened about the passing of Alex Young. We're honored to have called Alex a friend and our Pan-Mass Challenge Pedal Partner. A courageous 11-year-old, Alex left an everlasting impression on everyone who was privileged to know him. Condolences to his family.
www.boston.com/news/massach...
www.boston.com/news/massach...
"Part of the issue facing construction right now is determining the best way to fairly distribute the risk of further cost escalations across all the engaged parties, including owners, contractors and subcontractors."
www.bisnow.com/national/new...
www.bisnow.com/national/new...
Construction Managers Grapple With Budgeting, Risk In Trump Tariff Era
Construction negotiations and contracts are shifting in response to the pressures and uncertainty of tariffs.
www.bisnow.com
April 4, 2025 at 12:57 PM
"Part of the issue facing construction right now is determining the best way to fairly distribute the risk of further cost escalations across all the engaged parties, including owners, contractors and subcontractors."
www.bisnow.com/national/new...
www.bisnow.com/national/new...
From tiny acorns grow... Siena is proud to be a Mighty Oak sponsor for CitySprouts, a Boston-area educational nonprofit that make greener spaces and gardening equitable and accessible for all kids. Check out citysprouts.org to learn about their upcoming Dig It fundraiser on April 9th. Onward!
April 3, 2025 at 2:07 PM
From tiny acorns grow... Siena is proud to be a Mighty Oak sponsor for CitySprouts, a Boston-area educational nonprofit that make greener spaces and gardening equitable and accessible for all kids. Check out citysprouts.org to learn about their upcoming Dig It fundraiser on April 9th. Onward!
It’s Women in Construction Week! These talented, collaborative women represent a range of important roles and responsibilities at Siena. Thank you Areej, Alex, Becca, Dina, Erika, Kate, Karen, Jess, Jessie, Liv, and Reed. Siena is lucky to have you all. Thanks for all you do for Siena. Onward!
March 6, 2025 at 2:49 PM
It’s Women in Construction Week! These talented, collaborative women represent a range of important roles and responsibilities at Siena. Thank you Areej, Alex, Becca, Dina, Erika, Kate, Karen, Jess, Jessie, Liv, and Reed. Siena is lucky to have you all. Thanks for all you do for Siena. Onward!
Siena's volunteers joined Boston-area CMs at AGCMA's Adopt-a-School Program, designed to introduce students in underrepresented communities to STEM careers. Collaborative Lego builds + drone intro + story time = a great day! Read all about it here at our blog:
sienaconstruction.com/agcma-adopt-...
sienaconstruction.com/agcma-adopt-...
March 4, 2025 at 4:30 PM
Siena's volunteers joined Boston-area CMs at AGCMA's Adopt-a-School Program, designed to introduce students in underrepresented communities to STEM careers. Collaborative Lego builds + drone intro + story time = a great day! Read all about it here at our blog:
sienaconstruction.com/agcma-adopt-...
sienaconstruction.com/agcma-adopt-...
Check out SMMA's cool mini-doc on the design of Entrada Therapeutics' headquarters in Boston's Seaport!
Siena is proud to have been the CM to collaborate on transforming the innovative labs and beautiful office space at the historic Innovation and Design Building!
www.youtube.com/watch?v=Y3Au...
Siena is proud to have been the CM to collaborate on transforming the innovative labs and beautiful office space at the historic Innovation and Design Building!
www.youtube.com/watch?v=Y3Au...
Inside Entrada Therapeutics' New Seaport Home
YouTube video by SMMA
www.youtube.com
February 26, 2025 at 1:52 PM
Check out SMMA's cool mini-doc on the design of Entrada Therapeutics' headquarters in Boston's Seaport!
Siena is proud to have been the CM to collaborate on transforming the innovative labs and beautiful office space at the historic Innovation and Design Building!
www.youtube.com/watch?v=Y3Au...
Siena is proud to have been the CM to collaborate on transforming the innovative labs and beautiful office space at the historic Innovation and Design Building!
www.youtube.com/watch?v=Y3Au...