Charles de Gunzburg

Intrepid Museum Foundation, Inc. operates museum and art galleries. It operates small rides such as the virtual flight zone which puts civilians in the pilot's seat. The organization displays the military planes such as 900-foot-long aircraft carrier USS Intrepid and more. The company was founded by Zachary Fisher and Elizabeth M. Fisher in 1978 and it is headquartered in New York, NY.

Massachusetts Eye & Ear Infirmary operates as hospital that provides patient care for disorders of the eye, ear, nose, throat, head and neck. It offers ophthalmology and otolaryngology research services and is a teaching partner of Harvard Medical School. The firm’s programs and services include anesthesiology, ophthalmology, otolaryngology, radiology, Coolidge Clinic laboratory and libraries. The company was founded in 1824 and is headquartered in Boston, MA.

VisionSpring, Inc. provides variety of eyeglasses and eye care services. The company was founded by Jordan S. Kassalow in 2001 and is headquartered in New York, NY.

FdG Associates LP (FdG Associates) is a private equity firm founded in 1995 by David Gellman and Charles de Gunzburg. The firm is headquartered in New York.