John Legere

Dell, Inc. engages in the manufacture of electronic devices. Its products include laptops, desktops, tablets, thin clients, printers, monitors, software, workstations and accessories. The company was founded by Michael Saul Dell on February 1, 1984 and is headquartered in Round Rock, TX.

Level 3GC Ltd. operates as a global communications service provider. It offers data, voice and collaboration services to the companies in the Fortune 500, as well as carriers, mobile operators and Internet service providers around the world. The company offers telecommunication solutions, including broadband, voice, data, multimedia communications, readily accessible audio, video and web-conferencing. It serves Latin American businesses through its operations in Argentina, Brazil, Chile, Colombia, Ecuador, Panama, Peru, Mexico, Venezuela, the United States and the Caribbean region. The company was founded in March 1997 and is headquartered in Hamilton, Bermuda.

T-Mobile USA, Inc. engages in the provision of wireless voice, messaging, and data services. It offers different plans for phones and tablets. The company was founded by John W. Stanton in 1994 and is headquartered in Bellevue, WA.

Global Crossing North American Holdings, Inc. provides telecommunications services. The company was founded in 2011 and is headquartered in Florham Park, NJ.

Dana-Farber Cancer Institute, Inc. provides treatment to cancer patients and also researches new cancer diagnostics, treatments, and preventions. The firm's patients receive treatment through its cancer centers operated with Brigham and Women's Hospital, Children's Hospital Boston, Massachusetts General Hospital, and Beth Israel Deaconess Medical Center. The company was founded by Sidney Farber in 1947 and is headquartered in Boston, MA.