David B. Rubenstein

Rubenstein Partners LP operates as a fund manager for a series of private equity funds focused on office investments throughout the United States. It offers investment services which includes public and private pension funds, university endowments, foundations, and family offices. The company was founded by David B. Rubenstein in September 2005 and is headquartered in Philadelphia, PA.

The Children's Hospital of Philadelphia provides health care services. It specializes in pediatrics, research, fetal surgery, pediatric oncology, pediatric cardiology and cardiothoracic surgery, thoracic insufficiency syndrome, and pediatric airway disorders and transplants. The company was founded by Francis West Lewis in 1855 and is headquartered in Philadelphia, PA.

JMB Reality Corp. provides real estate management and investment services. It owns, develops and manages projects throughout North America, including regional malls, hotels, planned communities and office complexes. The company was founded by Robert Judelson, Judd Malkin & Neil Bluhm in 1968 and is headquartered in Chicago, IL.