King Street is a private real estate investment management firm focused on serving the complex needs of science-based companies and institutions. Our experienced professionals combine big-company experience with a hands-on entrepreneurial approach to execute its tightly defined mission.

Who We Are

Today, we are the largest private owner/operator of life science real estate in Greater Boston with $1 billion+ of science based real estate concentrated within the core science sub-markets including Boston, Cambridge, and the prime Boston suburbs.

We created our company to provide space solutions to companies whose missions inspire us: pharmaceutical and bio-tech firms racing to develop lifesaving drugs, makers of medical devices and diagnostic tools, and clean tech companies harnessing renewable materials and energy sources.

Management Team

  • Thomas Ragno
    Thomas RagnoFounder/Principal

    Tom’s expertise in all aspects of real estate make him a market leader in real estate investment.   His vision frequently unlocks value for investors and his execution maximizes returns and manages risk carefully.  In addition to his investment management duties, he manages King Street’s relationships with capital providers and oversees development and asset management activities.

    He is co-manager of the firm.


  • Stephen Lynch
    Stephen LynchPrincipal

    Steve’s daily focus is to leverage his decades-long knowledge of markets and his relationships with key market makers to maximize value for the company’s portfolio of properties through best-in-class leasing. Further, his market expertise is invaluable in sourcing and underwriting new acquisitions and in the design phase of development.

    He co-manages the firm with Tom Ragno.


  • Robert Albro
    Robert AlbroManaging Director

    As Managing Director at King Street, Mr. Albro has a broad range of responsibilities including acquisitions, dispositions, development, and asset management. Prior to King Street, Mr. Albro most recently served as a Senior Vice President at Beacon Capital Partners, with responsibility for acquisitions and dispositions as well as asset management of the Boston region.


  • Michael DiMinico
    Michael DiMinicoExecutive Director

    Mike joined King Street Properties in 2014 and has over 10 years of development and construction management experience. As Executive Director, he is responsible for all aspects of the real estate development process, including design, permitting, marketing, leasing, financing, and construction. He holds a B.S. in Civil and Environmental Engineering from Tufts University and a M.S. in Real Estate Development from MIT.


  • Brian Grisaru
    Brian GrisaruSenior Associate

    Brian joined King Street Properties in 2016 and has over 5 years of commercial real estate experience. As an associate, Brian is responsible for acquisitions underwriting and asset management of the company’s existing portfolio.


  • Tyson Reynoso
    Tyson ReynosoDirector

    As Director, Tyson has broad development management responsibilities including design, permitting, financing, construction, leasing, and asset management. He joined King Street in 2015 and brings strong development and construction experience, having worked on over $500MM of ground-up development in his career.


  • Xave Jacoby
    Xave JacobyAssociate

    Xave Jacoby joined King Street Properties in 2017 and has over 5 years of commercial real estate experience.  As an Associate, Xave provides support for a broad range of activities including acquisitions, dispositions, development and asset management.


  • Teri Ford
    Teri FordAssociate

    Teri Ford joined King Street Properties with over 6 years of construction management and development experience in the local Boston market. Teri spent the majority of that time with Gilbane Building Company specializing in corporate interiors within existing high-rise buildings with a range of clients including Philips North America, Equity Office, Citizen’s Bank, Oxford Properties, Newmark Grubb Knight Frank, Santander, LEGO Inc., CBRE and many others.


Placemaking. For Science.