Development & Consulting Services

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Daniel Quinn
Executive Vice President

Dan Quinn joined Colliers International in January 2005. He is an executive vice president, head of the Development & Consulting Services group and a shareholder of the firm. He has over 30 years of development and consulting experience in the commercial real estate industry. Dan’s two primary areas of expertise are real estate development and consulting services.  

Dan began his career as an architect in New York City and, after acquiring his MBA, joined the Philadelphia-based real estate investment, development and consulting firm Radnor Advisors in 1980.  Named president of the firm in 1992, he oversaw its sale to Insignia/ESG in 1997. With its subsequent acquisition by CB Richard Ellis, Dan moved to Washington, D.C. in 2000 to head CBRE’s Mid-Atlantic Consulting Group.

In his role as a development manager, he has overseen the planning, design and construction of over 10 million square feet of office, educational, data center, healthcare and life science space. He also has extensive experience in the areas of master planning, entitlement and land development.

Dan’s development clients including the Vanguard Group, Hewlett Packard, Steward Health Care System, Samsung, Princeton University, the New England Conservatory of Music, Liberty Mutual Group, Maine Medical Center, John Hancock and private investors.

Over the course of his career, Dan has provided consulting services domestically and internationally to corporations, institutions and non-profits. These services have included strategic real estate planning, feasibility studies, site searches and disposition of excess assets.

A representative list of clients includes Boehringer Ingelheim, The Colonial Williamsburg Foundation, Exelon, the Federal Deposit Insurance Corporation, Inova Health System, the Jaya Group,  Lifespan/Rhode Island Hospital, State Street Corporation, the University of Pennsylvania, Unum Group, the US Steel and Carnegie Pension Fund and Williams & Connolly, LLP.

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Richard Barnett
Senior Vice President

Richard Barnett is a senior vice president in Colliers International’s Development & Consulting Services group.  He joined the firm in 2011 to lead the group’s Healthcare & Life Sciences practice.  Richard has 30 years of experience in all aspects of construction management, with specific knowledge in the areas of design/build, architectural millwork and fabrication, working primarily in the healthcare and life science sectors.

Prior to joining Colliers International, Richard was director of healthcare and life science projects at Richard White Sons, Inc.  In his role, he led quality assurance/quality control oversight and maintained constant contact with owners to ensure that all quality expectations of clients were exceeded by the project team.

In the years prior, Richard was founder and president of a construction company that specialized in projects for hospitals, laboratories, ambulatory surgery centers and retail stores. He led his firm to become one of 17 U.S. companies to be certified ISO 9001-2001 and also pursued and achieved ISO 14001-2003 certification.

Directing the process of initiating and becoming an ISO certified company has given Richard a comprehensive understanding of what Total Quality Commitment means, which he applies to each of his projects.

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Tim Betjemann
Senior Vice President

Tim Betjemann joined Colliers International’s Development & Consulting Services group in 2011 to provide project management services to our clients. These services include real estate development, project entitlement, design management, project planning and delivery. Prior to joining Colliers International,Tim was a project manager at Winter Street Architects, Inc., where he worked on the Salem State University Stanley Weir Building renovation project in Salem, Massachusetts. The project called for a 12,000-square-foot, $5-million, multi-phased renovation of a light industrial building into office, IT and music rehearsal space.

While at Winter Street Architects, Tim also worked on a 60,000-square-foot data center equipment and systems coordination plan for a wireless company in Kuala Lumpur, Malaysia.

Tim also served as a project architect at Mayer + Associates Architects on a 570,000-square-foot mixed-use development in Destin, Florida.

Prior to that, Tim was at Elkus Manfredi Architects where he worked on the design and project management teams for 33 Arch Street, St. Paul Street Residences, and West End Residences at Emerson Place among others.

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Dominic Gagnon
Senior Vice President

Dominic Gagnon joined Colliers International’s Development and Consulting Services group in 2015 as a senior vice president. He has extensive experience in the healthcare industry, in addition to the institutional, commercial and industrial sectors.

Prior to joining Colliers International, Dominic was employed with Baystate Health managing capital projects within the 5 hospital system encompassing over 4.5 million square feet. He was involve in an active capital program that resulted in an annual project volume of approximately $75m during his 9 years there. In his role with Baystate Health Dominic managed projects through all levels: strategic planning, capital planning, design procurement, equipment planning, furnishings, operations and implementation.

Dominic's experience prior to Baystate Health involved significant design and project management work internationally within the food production industry through his employment with The Dennis Group. Companies such as Tim Horton/Maidstone Bakeries, Diageo and Hans Kissle were among the clients. Addition experience with Alderman & MacNiesh Architects and Engineers provided Dominic significant experience in educational projects with the firm ultimately completing over 200 schools in the state of Massachusetts.

Dominic has a strong focus in team development and productivity. His ability to listen, learn and problem solve are an asset to any team he serves with.

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Stanley Hunter
Senior Vice President

Stanley Hunter joined Colliers International’s Development and Consulting Services group in 2017 as a Senior Vice President and brings with him extensive experience in healthcare and higher education.

Prior to joining Colliers, Mr. Hunter was  Project Director at Stamford Hospital, (Stamford, CT). He was the team lead for the design and construction of a $450M program including a ground-up 650,000 sf new hospital, new Central Utility Plant, and comprehensive site improvements. 

Previously, Stan was Project Executive for the Baystate Health (Springfield, MA) Hospital of the Future project, leading the $300M first two phases of that 640,000 sf project.  Also for Baystate, he was manager of capital projects hospital system, responsible for all levels of projects:  strategic planning, programming, design, equipment procurement, IT coordination, construction, and go-live.

Stan applied problem solving, risk management, budget assessment, communication, and team building techniques to deliver the occupancy of the new Stamford and Baystate Hospitals on schedule and under budget. He seamlessly works with clinical and support departments, and leads design and construction teams effectively.  He applies Lean techniques for construction and clinical workflows.  His projects excel in patient satisfaction, community involvement, fund-raising, and clinical/technology advancement goals.

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John Sadowski
Senior Vice President

As a senior leader in the Development and Consulting Services Group, it is my role to provide unparalleled service to a broad range of clients. Such areas of service include the planning and management of base building, ground-up and interior projects in the academic, residential, commercial/corporate, healthcare and life science sectors. In conjunction with these specialty services, I also advise and represent developers, owners and tenants in a consultative capacity.

Prior to joining Colliers, I spent twenty years at Leggat McCall Properties, serving in a partnership and ownership role. Years of service in the field has afforded me an incredible amount of experience in all facets of the commercial real estate industry as well as invaluable personal experience with a great majority of brokers in the Boston area. Often working alongside brokers, my engineering background brings an important, more technical perspective to a transaction, allowing me to be effective in early stage development and lease negotiations.

I pride myself in executing projects in a concise and detailed manner, maintaining a deep understanding of the big picture and an ever-important sense of humor. I strive to go above and beyond clients’ expectations to ensure repeat business, which has proven effective as clients often return to me when they begin exploring lease renewals and/or relocations. An overwhelmingly positive outlook for the Boston market keeps me engaged and interested as I continue to pursue my craft while also serving as a mentor to several of my colleagues.

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Adam Troidl
Vice President

In my current role with Colliers International, I lead a team that develops and manages building projects primarily in the Maine market with clients that are both tenants and building owners.  I specialize in working with clients who are in the healthcare industry and thrive working on complex projects.  Starting at the design phase, or often earlier in the planning process, I am directly involved through design, construction, and move-in.

I began my real estate career in the architectural industry, designing and managing projects to deliver a high-quality, budget-conscious product, and often working as the owner’s representative as well.  Over the years, I have worked in many areas of development and consulting, including design, facilities, operations, and management, so I am very knowledgeable about the various aspects of a project.  Projects that I manage range from small to large, with highlights including a $300+ million newbuild hospital on a greenfield site as well as a nearly $500 million renovation and addition project for Maine Medical Center.

Even after fifteen years in the industry, I continue challenging myself to learn new things and take on more complex projects.  My highest priority with all projects is to fulfill the needs of the owner and create maximum transparency in the project to ensure operational success.  I am a big proponent of sustainability and incorporate this passion into my work. Beyond the office, I stay involved in the community and currently use my expertise to volunteer on the Project Review Board for the Town of Freeport, Maine.

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