Ralph W. Gidwitz

Riverbend Industries LLC engages in the provision of heating, ventilation and air conditioning, and construction products. It operates through following segments: HVAC; Door; and Construction Materials. The HVAC segment sells a variety of products including residential and commercial wall furnaces, fan coils, evaporative coolers, boiler room equipment, dryer boxes, and related accessories. The Door segment markets and installs hollow metal and wood doors, door frames and related hardware, sliding door systems, and electronic access and security systems. The Construction Materials segment offers a variety of construction related products including limestone, gravel, sand, steel rebar, and consumable construction products. The company was founded in 1954 and is headquartered in Chicago, IL.

Hyde Park Angels Inc. (HPA) is a venture capital firm founded in 2007 by Jeffrey R. Carter. The firm is headquartered in Chicago, Illinois.

City of Hope National Medical Center is an independent biomedical, treatment, and education center that focuses on basic and clinical research in cancer, diabetes, and other chronic, life-threatening diseases. The non-profit company is based in Duarte, CA. City of Hope offers virtual tours of its world-renowned facilities, where people can learn about the company's efforts to make a difference in the lives of those with serious illnesses such as cancer and diabetes. The company was founded in 1913. Robert W. Stone has been the CEO of the company since 1996.

Bee Street Holdings LLC operates as a holding company. The company is headquartered in Carrollton, TX.