Tele-Communications Inc.
In 1963, Malone began his business career at Bell Telephone Laboratories of AT&amp;T, working in economic planning and research and development. In 1968, he joined McKinsey &amp; Company, and in 1970, became group vice president at General Instrument Corporation (GI). He was later president of Jerrold Electronics, a GI subsidiary. For twenty-four years, from 1973 to 1996, Malone served as president and CEO of Tele-Communications Inc. (TCI).