Denis O'Brien
$3.12B
$616K
as of 08/10/26
About Denis O'Brien
Denis O'Brien founded Digicel, a mobile phone network provider that operates in the Caribbean, Asia Pacific and Central America.
O'Brien made a fortune selling his Irish mobile outfit, Esat Telecom Group, to British Telecom Group in 2000 for $2.8 billion.
He has investments in energy companies and resorts on the Iberian Peninsula.
In 2019, O'Brien sold his stake in Independent News and Media to Mediahuis, losing hundreds of millions of Euros on his investment.
O'Brien made another media industry exit in 2021 by selling Communicorps, a radio company, to Bauer Media
Personal stats
Citizenship
IrelandSource of wealth
TelecomResidence
Dublin, IrelandMarital status
MarriedBirth date
04/17/58 (age 68)Number of children
4Education
Master of Business Administration, Carroll School of ManagementSelf-made
self-madeDenis O'Brien’s fortune is worth
52K
troy ounces of gold
48K
median U.S. household
31K
median U.S. income
0.062%
U.S. credit card volume
0.012%
GDP of the United States
0.009%
United States debt
Net worth history
Annual ranking
Related people
Did you know?
O'Brien once sold horse pills.
Net worth over time
Real-time ranking
Financial assets
LONDON | AET-GB
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