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Boston & New England  + Boston  + Healthcare  | 
Foundation Medicine headquarters 400 Summer Street Boston WS Development Seaport District

KKR Enters JV on Life Science Development in Seaport District

KKR has completed a major investment in a joint venture with WS Development and the Public Sector Pension Investment Board for 400 Summer St., a life science tower under construction in Boston’s Seaport District. Through its investment, KKR will collaborate with WS and PSP in ownership of the asset, while WS continues to lead development and management of the property. 

Once completed, the 635,000-square-foot property will serve as the headquarters of Foundation Medicine, which has leased 100% of the laboratory and office space. 400 Summer St. is part of the 33-acre Boston Seaport development project led by WS. 

“WS Development’s master plan project is helping position the Seaport as a destination of choice for top talent and employers,” said KKR managing director Daniel Rudin. “This is a great addition to our portfolio as we continue to grow our presence in the Boston market and the life sciences sector more generally.” 


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About Paul Bubny

Paul Bubny serves as Senior Content Director for Connect Commercial Real Estate, a role to which he brings 13-plus years’ experience covering the commercial real estate industry and 30-plus years in business-to-business journalism. In this capacity, he oversees daily operations while also reporting on both local/regional markets and national trends, covering individual transactions across all property types, as well as delving into broader subject matter. He produces 15-20 daily news stories per day and works with the Connect team and clients to develop longer-form content, ranging from Q&As to thought-leadership pieces. Prior to joining Connect, Paul was Managing Editor for both Real Estate Forum and at American Lawyer Media, where he oversaw operations at both publications while also producing daily news and feature-length articles. His tenure in B2B publishing stretches back into the print era, and he has served as Editor in Chief on four national trade publications. Since 1999, Paul has volunteered as the newsletter editor of passenger rail advocacy groups (one national, one local).

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  • ◦Financing