John Sullivan > DLA Piper LLP (US) > Boston, United States > Lawyer Profile

DLA Piper LLP (US)
BOSTON MA 02110-1447
United States

Work Department

Real Estate; Finance; Real Estate Finance; Restructuring; Real Estate Investment; Real Estate Investment Trusts; Real Estate Asset Management; Real Estate Funds and Private Equity; Life Sciences


Partner; Co-Chair, Global Real Estate Practice; Chair, US Real Estate Practice


John Sullivan has a broad-ranging practice that encompasses all aspects of commercial real estate, with a particular emphasis representing public and private pension plans, opportunity funds, investment advisors and non-US investors in equity, debt, hybrid and joint venture transactions throughout North America. 

A significant portion of John’s practice involves representing institutional investors in real estate joint ventures. He has significant experience representing US fund sponsors of US and European real estate funds. He also has substantial experience representing both lenders and borrowers in complex real estate loan workouts and restructurings throughout the US.


Real Estate Finance Association; Pension Real Estate Association


J.D., Cornell Law School; B.A., College of the Holy Cross

Lawyer Rankings

United States > Real estate > Real estate

(Leading lawyers)

John SullivanDLA Piper LLP (US)

One of the deepest, most sophisticated real estate practices in the country’, DLA Piper LLP (US) is home to a full-service real estate offering. In the acquisition and disposition space, the department is routinely engaged in multibillion-dollar transactions, both of single assets and extensive portfolios, with the capacity to lend support on relevant cross-border investment, joint venture and finance components. Its construction, design and development service is supplemented by formidable environmental, land use, zoning and condominium easement expertise; while leasing activity is centered around sale-leaseback, lease enforcement, tenant bankruptcy and foreclosure matters. Department chair John Sullivan is a ‘pre-eminent practitioner’ for equity, debt, hybrid and joint venture transactions and is closely supported by co-vice chair Barbara Trachtenberg, a lawyer principally focused on development-related joint ventures; the pair operate from Boston alongside the ‘very talentedCara Nelson, who is a junior partner, exemplary of the team’s ‘deep bench strength. Elsewhere, the firm is praised as fielding the ‘most knowledgeable and accomplished real estate practice in Washington DC’, where Frederick Klein represents domestic and off-shore investors in large-scale projects throughout the US. The firm has an extensive domestic and international footprint, with other key names based in New York and Chicago.