Professor Rubenstein has over thirty years of experience as a practicing attorney, representing public and private entities in transactional and operational matters. Professor Rubenstein was a longtime in-house counsel to Equity Office Properties Trust and then Revantage Corporate Services, the real estate operating company of the Blackstone Group. There, he managed a wide variety of complex operational, transactional and litigation matters and focused a significant portion of his practice on construction and development work, as well as financing and procurement issues, environmental, zoning and permitting and other compliance matters. In addition, for two years he served as the dedicated in-house counsel for Revantage's risk management group and Blackstone's affiliated captive property insurer, Gryphon Insurance Company. Since 2022, Professor Rubenstein has been in private practice as a real estate and commercial counsel in Chicago.