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, King Street Properties is the largest private owner/operator of life science real estate in the world. Headquartered in Greater Boston with 2.8 million square feet of life-science real estate under ownership and management and 4.5 million square feet in development, our assets reside in core research hubs including Greater Boston, New York, the Research Triangle, and the San Francisco Bay area.

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

Management Team

  • Thomas Ragno
    Thomas Ragno Founder/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 Lynch Principal

    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 Albro Chief Investment Officer/Partner

    Rob joined King Street in 2016 with over 20 years of real estate experience. As Chief Investment Officer, he has a broad range of responsibilities including acquisitions, dispositions, development, and asset management. He holds a B.A. in economics from Lehigh University and an M.B.A. from the Tuck School of Business at Dartmouth. He is also a CFA Charterholder and a LEED accredited professional.

  • Michael DiMinico
    Michael DiMinico Managing Director/Partner

    Mike joined King Street in 2014 with over 15 years of development and construction management experience. As Managing 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.

  • Tyson Reynoso
    Tyson Reynoso Managing Director/Partner

    Tyson joined King Street in 2015 with over 10 years of commercial real estate experience. As Managing Director, Tyson has broad development management responsibilities including design, permitting, financing, construction, leasing, and asset management. He holds a B.S. in Civil Engineering from Tufts University.

  • Andrew Moore
    Andrew Moore Senior Managing Director

    Andy joined King Street in 2021 and brings over 37 years of development, construction, major renovations, and asset management experience for properties throughout major U.S. cities. As Senior Managing Director, his primary focus is on all phases of development from acquisition, entitlement, construction, and through final completion and lease up. He holds an unrestricted Boston Builders License and a Massachusetts Construction Supervisors License.

  • Sonia Taneja
    Sonia Taneja Managing Director

    Sonia joined King Street in 2021 with over 15 years of experience in commercial real estate and finance. As Managing Director and West Region Market Leader, she is responsible for overseeing the firm’s activities in the Western United States. She holds a B.S. in Business Administration and B.A. in Economics from the University of California at Berkeley as well as a Master of Business Administration degree from Harvard Business School.

  • Chris Rouches
    Chris Rouches Managing Director

    Chris joined King Street in 2022 and has over 12 years of commercial real estate experience. As Managing Director, Chris is responsible for the strategic asset management of the company’s existing portfolio including leasing, business plan execution, budgeting, enhancing tenant/broker relations, and direct collaboration with property management.  He holds an A.B. in Economics from Harvard University.

  • Tim Skender
    Tim Skender Vice President

    Tim joined King Street in 2021 with over 13 years of commercial real estate experience. As Vice President, he is responsible for overseeing the firm’s activities in the North Carolina’s Research Triangle. He holds a B.S. in Business Administration and Communication Studies from the University of North Carolina at Chapel Hill and a Master of Business Administration degree from The Wharton School of the University of Pennsylvania.

  • Rachel Greene
    Rachel Greene Vice President of Marketing

    Rachel joined King Street in 2022 with over 18 years of experience in marketing, including 14 years in the real estate industry.  As Vice President of Marketing, she is responsible for the firm’s branding, marketing and public relations. Rachel holds in B.A. in Journalism and Political Science from the University of North Carolina at Chapel Hill.

  • Ed Jaram
    Ed Jaram Senior Director

    Ed joined King Street in 2019 with over 15 years experience in construction and real estate development. As Senior Director, he is responsible for managing project execution in New York and the surrounding submarkets. Ed holds an M.A. from Cambridge University in the UK.

  • Jamie Choy
    Jamie Choy Senior Director

    Jamie joined King Street in 2022 with over 18 years of experience in construction and real estate development. As Senior Director, he is responsible for overseeing the firm’s development activities in the Western United States. He holds a B.A. from McGill University as well as a Master of Business Administration degree from the University of California at Berkeley.

  • Xave Jacoby
    Xave Jacoby Director

    Xave joined King Street in 2017 with over 8 years of commercial real estate experience. As Director, Xave is responsible for a broad range of activities including acquisitions, dispositions, development and asset management. He holds a B.A. from Colgate University.

  • Brian Grisaru
    Brian Grisaru Director

    Brian joined King Street in 2016 with over 10 years of commercial real estate experience. As Director, he is responsible for acquisitions underwriting and asset management responsibilities of the company’s existing portfolio. He holds a BA in economics from the University of Connecticut with a concentration in real estate finance.

  • Kevin Burns
    Kevin Burns Controller

    Kevin joined King Street in 2021 with over 11 years of experience in accounting and commercial real estate. As Controller, Kevin is responsible for all aspects of the company’s financial reporting, as well as treasury and HR services. Kevin holds a B.A. in Accounting and a Masters in Accounting from the University of Connecticut. He is also a Certified Public Accountant.

  • Shaurya Batra
    Shaurya Batra Senior Associate

    Shaurya joined King Street in 2021 with over 15 years of architecture, construction, and development experience. As a Senior associate he focusses on development management activities including design, permitting, leasing, and construction. He holds a Bachelor of Architecture from Sushant School of Art and Architecture, and a M.S. in Real Estate Development from MIT.

  • Tom G. Ragno
    Tom G. Ragno Senior Associate

    Tom joined King Street in 2020 with over 6 years of commercial real estate experience. As Senior Associate, he is responsible for supporting a wide range of activities including acquisitions, dispositions, development and asset management. He holds a B.A. in economics from Cornell University.

  • Julie Farrer
    Julie Farrer Senior Associate

    Julie joined King Street in 2021 with over 12 years of development management experience. As a Senior Associate, she is responsible for all stages of real estate development projects, from due diligence and permitting through leasing and occupancy. She holds a B.S. in Journalism from Boston University and an M.Arch from NewSchool of Architecture & Design. Julie is also a LEED Accredited Professional (BD+C).

  • Caroline Cranna
    Caroline Cranna Senior Associate

    Caroline joined King Street in 2019 with over four years of commercial real estate experience. As Senior Associate, Caroline provides support for a wide range of activities including acquisitions, dispositions, development and asset management. Caroline holds a B.A. in economics from Connecticut College.

  • Andrew Castraberti
    Andrew Castraberti Senior Associate

    Andrew joined King Street in 2022 with over 10 years of development management experience. As a Senior Associate, he is responsible for all stages of real estate development projects,  including design, permitting, marketing, leasing,  and construction. He holds a B.S. in Real Estate & Construction Management from the University of Denver.

  • Cole DiRoberto
    Cole DiRoberto Associate

    Cole joined King Street in 2021 with over six years of real estate industry experience, three within commercial investment. As an Associate, Cole is involved in acquisitions/dispositions, development, and asset management. Before joining the team, Cole worked as an Associate on the capital markets team at HFF (acquired by JLL in July 2019) in Boston, where he focused on debt and equity placement transactions and was involved in deals totaling more than $4 billion in value.

  • Gaby Dabek
    Gaby Dabek Analyst

    Gaby joined King Street in 2022 with over three years of commercial real estate experience. As an Analyst, Gaby provides support for a wide range of activities including acquisitions, dispositions, development and asset management. Gaby holds a B.S. in finance from the University of Connecticut.

  • Michael Morretta
    Michael Morretta Analyst

    Mike joined King Street in 2022 with three years of commercial real estate experience. As an Analyst, Mike provides support for acquisitions, dispositions, and development activities. Prior to King Street, he worked as an Associate at JLL Capital Markets. Mike holds a B.S. in finance from the Carroll School of Management at Boston College.