Richard S. Gottlieb

Keystone Property Group acquires, develops, and manages commercial real estate in the office, flex and industrial sectors. As a vertically integrated real estate organization, Keystone manages private equity funds which invest in opportunistic real estate projects that are well located, but underperforming, undercapitalized, and functionally obsolete. It applies a focused, strategic investment plan to each opportunity, which in turn drives its success in delivering superior value to all stakeholders. Its services include operating real estate assets, making real estate investments, managing relationships with operating partners, and executing real estate capital market transactions.

NAIOP, Inc. operates as a commercial real estate development association for developers, owners, and investors of office, industrial, retail, and mixed-use real estate. It offers advocacy, educational programs, and business and networking opportunities. The company was founded in 1967 and is headquartered in Herndon, VA.

Prentiss Properties trust/MD operates as real estate investment trust (REIT). It owns interests in 135 operating properties with approximately 18.8 million square feet-16.6 million of office properties and 2.2 million of industrial properties. Prentiss Properties, through various management subsidiaries, manages approximately 28 million square feet of office and industrial properties owned by Prentiss Properties, its affiliates and third parties. Prentiss Properties is headuartered in Dallas, TX.

Pennsylvania Real Estate Investment Trust engages in the ownership, management, leasing, acquisition, redevelopment, and disposition of shopping malls. The firm focuses on shopping malls located in the eastern half of the U.S. primarily in the Mid-Atlantic region. Its property portfolio includes Cherry Hill Mall, Plymouth Meeting Mall, Mall at Prince Georges, and Springfield Town Center. The company was founded by Sylvan M. Cohen in 1960 and is headquartered in Philadelphia, PA.