Jon S. Ziefert


Jon represents private equity funds, developers, and operators involved in complex real estate investment, financing, and development transactions. He brings three decades of experience assisting both domestic and international clients, guiding them through the acquisition, financing, development, leasing, and disposition of office buildings, multifamily apartment projects (including cooperatives and condominiums), shopping malls, industrial properties, hotels, film and television studios, and mixed-use complexes. He also advises on the structuring and formation of joint ventures, equity investment vehicles, leases, construction loans, and development and property management agreements.

Prior to joining the firm, Jon was special counsel with a New York City-based firm. He also served as a member of the Real Estate Editorial Advisory Board of Law360 and as a lecturer at the Practising Law Institute (PLI).

Jon received his J.D., with high honors, from Rutgers University School of Law, his M.S. in real estate development from the Graduate School of Architecture, Planning and Preservation from Columbia University, and his B.A. in American history from Columbia College, Columbia University.



Veteran Real Estate Attorney Jon S. Ziefert Joins Cozen O’Connor’s Real Estate Practice Group in New York

May 25, 2022

Ziefert brings a 20-plus-year track record of successfully representing developers, private equity funds, large investors, and institutional lenders in complex real estate investment and development transactions.


  • Rutgers University School of Law—Newark, J.D., high honors, 1994
  • Columbia College, Graduate School of Architecture, M.S., 1991
  • Columbia University, Columbia College, B.A., 1989
  • New York
  • California
  • New Jersey