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Billionaire Profile
Gary Magness
Global Rank
#2659

Image: magerleagues | CC BY-SA 2.0 | via Wikimedia Commons

Gary Magness

CEO, Cable TV
UNITED STATES
Real-Time Net Worth
$1.375B
Estimated based on Cable TV stock value as of March 6, 2026
-0.38% (24h)
Age
71
Source
Cable TV, investments
Industry
Media & Entertainment
Citizenship
UNITED STATES

Biography

Gary Magness, a prominent figure in the media and entertainment industry, boasts a current net worth of $1.4 billion. His wealth originates from cable TV and investments, stemming from his inheritance of a significant stake in Tele-Communications Inc. (TCI), founded by his father, Bob Magness. This inheritance followed the TCI-AT&T merger in 1999. Gary attended Western State College of Colorado but did not complete his degree. His career now includes managing the Magness Investment Group and founding Smokewood Entertainment with his wife, Sarah Siegel-Magness. He is known for his cattle ranches, investments in oil, gas, and real estate, as well as his love for vintage cars and off-road racing.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Gary Magness was born in Texas and raised in Bozeman, Montana. His father, Bob Magness, founded Tele-Communications Inc. (TCI), a major cable television company. The family moved to Denver, Colorado, in 1966, and Gary grew up immersed in the cable business. His early experiences involved building microwave towers and stringing coaxial cable, which provided a foundational understanding of the industry.

Rise to Success

Gary Magness inherited a significant portion of his father's wealth, becoming a large stockholder in TCI. After the merger of TCI with AT&T in 1999, he focused on managing his investments and diversifying his portfolio. This led to his involvement in various sectors, including oil, gas, real estate, and cattle ranching. He established Magness Land & Cattle, a premier Limousin ranching operation. His passion for classic cars led him to open Mango Motors, a classic car dealership in Denver.

Key Business Strategies

Magness chairs the Magness Investment Group, managing a diverse portfolio. In 2007, he co-founded Smokewood Entertainment with his wife, Sarah Siegel-Magness. This production company has produced several films, including the Oscar-winning "Precious." His business strategy combines investment management with creative ventures, allowing him to explore various interests and opportunities.

Philanthropy

Gary Magness is involved in various philanthropic initiatives. He has made charitable donations to the Food Bank of the Rockies, the University of Denver, and The Fresh Air Fund.

Career Milestones

1968

Tele-Communications Inc.

His family's company, TCI, became one of the largest telecommunication companies in the world.

1981

Magness Land & Cattle

Phased out Herefords for Limousin cattle and developed the company into a premier ranching operation.

1999

TCI-AT&T Merger

Inherited hundreds of millions in stock from TCI after the merger with AT&T.

2007

Smokewood Entertainment

Co-founded Smokewood Entertainment with his wife, Sarah Siegel-Magness.

Philanthropy & Social Impact

Food Security

Food Bank of the Rockies

$XB

Donations to the organization.

Education

University of Denver

$XB

Made charitable contributions.

Youth Development

The Fresh Air Fund

$XB

Made charitable donations.

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