313 Congress Street

Boston, MA 02210


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John J. Mahan

Senior Project Manager

Areas of Expertise: Commissioning, Due Diligence, Project Management

John Mahan has been in the operations and construction fields for more than 30 years. He started his career in the biotechnology industry working for Johnson & Johnson, Ortho Pharmaceutical and the National Institutes of Health. John directly managed the ground-up construction of many facilities, as well as facility expansions in Puerto Rico, Ireland, California, and Massachusetts.

John also worked in the hospitality industry for 15 years, responsible for all facilities engineering operations and improvements, including serving as owner’s representative during a major addition to a downtown Boston hotel. His experience in the construction field includes being responsible for a ground-up addition and renovations to a five-star hotel. John also has vast experience in the senior living and Class A office industries.

John has participated in many local professional organizations, including the Hotel Engineers Association and the Electrical Council of New England, and served as a volunteer member and chairman of the “Automatic Sprinkler Appeals Board” for the Commonwealth of Massachusetts. He is an avid outdoorsman and likes to ski, snowmobile, hike, boat, and spend time working on projects around his home.