For this family business, doing right by our work is a matter of principle.
Whatever your relationship to a property – whether you are a developer, caretaker, investor, or owner/resident – you need a construction partner capable of realizing its considerable potential. We have built our business to be just such a partner.
There’s a right way to do things. And for Boston’s significant properties, construction without compromise creates lasting value. Our achievements in adaptive reuse and revitalization reflect our skill, experience, and devotion to careful, principled management: Jobs done right.
Why J.L. Dunn?
Builders first and foremost, we excel at the hardest jobs and rise to tough occasions.
Masters of new construction and revitalizing historic properties
J.L. Dunn recognizes and preserves what’s special about historic properties to accomplish renovations like no other. We give significant and historic properties new, contemporary life, imparting them – and their owners – with the best-in-class, built for the long-haul building systems they deserve.
Featured Projects
Masters of new construction and revitalizing historic properties
People
Laura White
President
Timothy White
Chief Executive Officer
Liam White
Business Operations Manager
Michael Sabin
Director of Finance
Alex Kimmelmann
Executive Superintendent
Aaron Taylor
Superintendent
Alan Chan
Estimator
Bethany Townsend
Project Manager
Carol Webb
Bookkeeper
David McDonald
Superintendent
Guilmar Ortiz
Carpenter
Hannah Stone
Operations & Admin Coordinator
Josh Reynolds
Carpenter Foreman
Justin Reynolds
Superintendent
Matthew Fox
Project Accountant
Tim Medico
Assistant Project Manager
Tom Mojo
Project Manager
Tyler Weeks
Superintendent
Zach Bessette
Field Engineer
Approach
Construction without compromise:
What it means for your project.
To realize your vision for a property we apply the following formula to every project:
- Attention to detail: The chaos of a bungled permit or confusion over a minor detail can cost you resources that are better used elsewhere. Our experienced project managers help apply every dollar invested into what matters most—an on-time and on-budget balance sheet, with the superior finish our clients have come to expect.
- Talent and quality at every turn: Our appreciation for the properties we serve shows in the subcontractors we bring, the meticulousness of our planning, the materials and techniques we choose, and the solutions we recommend.
- Principled partnership: Our work must be correct and true – including beneath the surface. Transparency, empathy, and responsibility are essential to work that’s done without compromise.
Laura White
President
Laura is founder and president of J.L. Dunn & Company. Laura originally founded JLD with the mission of providing clients with the same level of management services and professionalism expected from larger CM firms without the burden of the extensive overhead costs. After many successful commercial and residential projects, Laura has led the growth of JLD while maintaining the character of a family-owned construction company that values all of its clients, design partners, and subcontractor relationships.
Timothy White
Chief Executive Officer
With 30+ years of experience, Tim is recognized as a leader in the industry when it comes to delivering successful construction projects. He has a hands-on leadership style and is actively involved in project acquisition, permitting, estimating, pre-construction, and project execution. Tim is a builder by trade who started working in the roofing and carpentry trades after college. He has the unique ability to communicate equally as effectively with both high-level executives as well as the experienced trades people on a jobsite.
Tim was the President & Founder of T.R. White Company which he originally started with only a single van and grew to over $100m in revenue. Prior to joining J.L. Dunn, Tim spent five years as an Executive Vice President at Suffolk Construction.
Liam White
Business Operations Manager
As Business Operations Manager, Liam oversees all project management, field operations, corporate functions and strategy. Liam has a wide range of project experience across multiple disciplines and his client service mindset has led to the development of many trusted relationships with repeat clients.
Liam is a second-generation builder who grew up on jobsites while spending his summers working as a laborer. Liam graduated from the Farmer School of Business at Miami University with a concentration in Supply Chain and Operations Management. As part of his post graduate studies, Liam received a professional certification in Commercial Real Estate Studies from Boston University.
Unrestricted Construction Supervisors License
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Federal Transportation Worker Credential (TWIC)
Merchant Mariner Credential (MMC) – 100 Ton Captain’s License
Michael Sabin
Director of Finance
As Director of Finance, Mike oversees accounting and finance functions, and serves as a strategic partner to the continued growth and development of the organization.
Mike graduated from the D’Amore-McKim School of Business at Northeastern University with a concentration in Finance and Investments, and brings over 10 years of experience in the Construction Industry in both Project Accounting and Corporate Finance disciplines.
Bethany Townsend
Project Manager
With a Master’s degree from Rice University, Bethany brings her background as a social scientist to bear on her 6 years working in the construction industry to expertly navigate the relationships between subcontractors, owners and their representatives, and design professionals. Bethany has worked in both commercial and residential construction with experience managing projects in the academic, healthcare, and life science sectors. Her favorite projects are historical renovations which present a host of exciting challenges and contribute to the preservation of Boston’s architectural unique beauty.
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Alex Kimmelmann
Executive Superintendent
As Executive Superintendent, Alex is responsible for overseeing all project operations, safety, and JLD’s self-performing crews. Alex started his career as a carpenter and he enjoys working with our clients and design partners to proactively and creatively solve challenges.
Unrestricted Construction Supervisors License
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Hoisting License
Tom Mojo
Project Manager
Tom started his career with J.L. Dunn as a summer intern. After graduating from Roger Williams with a BS in Construction Management, Tom re-joined JLD to continue his professional career. Today, Tom is a Project Manager with a broad range of experience in commercial and residential projects.
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Justin Reynolds
Superintendent
Justin started with J.L. Dunn as a carpenter who quickly worked his way up to Foreman and then to his current position of Superintendent. Justin utilizes the skills and mindset from his years of carpentry experience to effectively solve problems and communicate with trade partners, architects, and clients.
Unrestricted Construction Supervisors License
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Carol Webb
Bookkeeper
Anyone who has worked in the construction industry understands and appreciates the value of reliable bookkeeping. Carol is this invaluable member of our team whose attention to detail ensures all costs, invoices, and payments are tracked accurately and in compliance with project requirements.
Josh Reynolds
Carpenter Foreman
Josh is a talented carpenter foreman with experience in LGMF, Drywall, Taping, Masonry, Concrete and Wood Framing. Everyone at JLD appreciates Josh’s thoughtfulness and positive attitude.
Guilmar Ortiz
Carpenter
Guilmar is a talented carpenter with experience in LGMF, Drywall, Taping, Masonry, Concrete, and Wood Framing. Everyone at JLD appreciates Guilmar’s positive attitude and contagious smile.
David McDonald
Superintendent
Dave is a talented superintendant with experience in LGMF, Drywall, Taping, Masonry, Concrete and Wood Framing. Everyone at JLD appreciates Dave’s work ethic and ‘can-do’ attitude.
Tyler Weeks
Superintendent
Tyler graduated from University of Massachusetts Amherst with a BS in Building Science and Technology. Prior to joining JLD, Tyler worked for a construction management firm where he gained valuable experience working on large scale developments.
Unrestricted Construction Supervisors License
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Matthew Fox
Project Accountant
Matt graduated from Williams College of Business at Xaiver University with a Finance Degree. Prior to joining JLD, Matt worked as a financial analyst and gained his construction experience working in accounting and estimating with an Electrical Contractor. Matt uses this expertise to lead the project-based accounting and support our corporate finance department.
OSHA Certification
Hannah Stone
Operations & Admin Coordinator
Hannah supports the many moving pieces that help keep the organization running efficiently. From coordinating company-wide initiatives, to organizing events and improving processes, she works behind the scenes to ensure projects are executed smoothly and effectively. With a strong attention to detail and a knack for organization, Hannah enjoys creating structure, solving problems, and supporting the day-to-day operations that contribute to the company’s success.
Tim Medico
Assistant Project Manager
Tim started his career with J.L. Dunn as a Co-Op while pursing his undergraduate degree in Construction Management from Wentworth Institute of Technology. After graduation, Tim continued to work part time with J.L. Dunn while receiving his Masters Degree in Construction Management. His commitment to learning and work ethic has led him quickly to an Assistant Project Manager role where he supports project teams through all phases of construction with a strong focus on coordination, quality, and client service.
BS & MS Construction Management (WIT)
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Zach Bessette
Field Engineer
As a co-op student at Wentworth Institute of Technology, Zach is bridging the gap between classroom learning and hands-on industry experience. As a returning Field Engineer at J.L. Dunn & Company, he applies his construction management education in the field, gaining valuable real-world experience while supporting project teams throughout all phases of construction.
Alan Chan
Estimator
Alan is a dedicated and detail-oriented Estimator who plays a key role in bringing projects to life from the very beginning. Known for his thorough approach and strong communication skills, he works closely with project teams and stakeholders to develop accurate budgets and ensure every project aligns with its intended scope. Alan takes pride in building trust through transparency, collaboration, and a commitment to delivering reliable results.
BS Civil Engineering Technology – Wentworth IT
Aaron Taylor
Superintendent
Aaron has experience leading a wide range of construction projects, including multifamily housing, healthcare facilities, educational spaces, and commercial developments. He manages daily field operations, subcontractor coordination, scheduling, safety, and quality control to help keep projects running smoothly from start to finish. Known for his hands-on approach and problem-solving mindset, Aaron is committed to delivering high-quality work while building strong relationships with his project teams and trade partners.
Unrestricted Construction Supervisors License
OSHA 30 Certification
NFPA Fire Prevention Program Manager (FPPM)
Supported Scaffold Certification