Stephen F. Mack

NYU Elaine A. & Kenneth G. Langone Medical Center provides health care services. It offers treatments for bone, joint, and muscle disorders; brain and nervous system disorders cancers, tumors and blood disorders; genetic and chromosomal disorders and immune system disorders. The company was founded in 1841 and is headquartered in New York, NY.

NYU Langone Hospitals provides health care services. It offers wide array of specialties, including cardiac and vascular care, cancer, inpatient and outpatient musculoskeletal care—including orthopedics, rheumatology, and rehabilitation—and a host of specialty children’s services. The company is headquartered in New York, NY.

Mack Real Estate Group is an institutional real estate investment firm that manages institutional, high net worth, and Mack family capital by making debt and equity investments in real estate and real estate-related securities. The private company is based in New York, NY, with six offices across the US, including Los Angeles, CA, Houston, TX, Chicago, IL, Miami, FL, and Raleigh, NC. The company specializes in domestic and international real estate investment, development, and financing opportunities with a view toward long-term performance and hands-on management. Mack Real Estate Group was founded in 2013 by William L. Mack, Richard Jay Mack, and Stephen Mack, with Richard Jay Mack serving as the CEO since then.