G ary Magness is an American billionaire who inherited his fortune from his late father, Bob Magness, a true pioneer of the cable television industry. Bob Magness founded Tele-Communications, Inc. (TCI) in the 1950s and, with his legendary partner John Malone, built it into the largest cable company in the United States. Upon his father's death, Gary inherited his substantial stake in TCI.

The family's fortune was massively increased when TCI was acquired by AT&T in 1999 for over $50 billion. Gary has since focused on managing his vast inherited wealth. He runs his own film production company, Magness Land & Cattle, and is a passionate off-road truck racer. He is also a philanthropist through his family's foundation. His wealth is a direct legacy of his father's groundbreaking role in the creation of the modern cable and media landscape.