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Mark Clayton, Executive Managing Director

Mark Clayton

Executive Managing Director

Project Management

Mark Clayton Executive Managing Director
Project Management
Boston 33 Arch Street
28th Floor
Boston, MA 02110

Professional Experience

Mr. Clayton is the head of the Development & Project Management team in New England and is currently the Executive Managing Director, where he provides the following services for all commercial, retail and industrial projects within the New England region: site search, strategic property valuation, adaptive reuse analysis, due diligence, land acquisition, land development, permitting and approvals, project cost estimating, construction management and development management.

The Development & Project Management team has developed 4.1 MSF of commercial, R&D, industrial, student housing, medical, hospitality and student housing space and managed over 2.2 MSF of projects for clients such as Quest and Fresenius.

Professional Affiliations / Accreditations

  • Trustee Derby Academy, Hingham, MA
  • Member of the Cohasset Golf Club Renovation Committee
  • Former Board Member, Hanover Inn/Dartmouth College (10-Year Term)


  • Dartmouth College, B.A. in History
  • The Amos Tuck School of Business Administration, M.B.A.

Significant Transactions

  • Burlington Centre, Burlington, MA
    535,000 SF
  • Perrier Warehouse, Seabrook, NH
    500,000 SF
  • ING, Hartford, CT
    478,000 SF
  • The Hartford, Windsor, CT
    471,000 SF
  • 175 Wyman Street, Waltham, MA
    380,000 SF
  • Westborough Office Park, Westborough, MA
    340,000 SF
  • Metro West Business Park, Westborough, MA
    285,000 SF
  • NE Business Centre, Andover, MA
    215,000 SF
  • 745 Atlantic Avenue, Boston, MA
    168,000 SF
  • Brigham & Women Hospital, Westwood, MA (Medical Office – 4 Locations)
    125,000 SF
  • 580 Commonwealth Avenue, Boston, MA (Boston University – 220 Beds)
    108,000 SF
  • Wuxi Biologics – Consulting, Worcester, MA
    100,000 SF
  • Kent Hospital Outpatient Facility, Warwick RI
    60,000 SF
Mark Clayton Executive Managing Director
Project Management
Boston 33 Arch Street
28th Floor
Boston, MA 02110