Telecommunications
Ibrahim was employed by British Telecom for a time, and later worked as the technical director for Cellnet, a subsidiary of British Telecom.
During the early 1980s Ibrahim taught undergraduate telecommunication courses at Thames Polytechnic later to become University of Greenwich.
In 1989 he founded MSI, a consultancy and software company, which in 2000 was bought by the Marconi Company. MSI had 800 employees, who owned approximately 30% of the stock at the point of its sale; Ibrahim says he gave employees stock as a form of bonus.
In 1998, MSI spun off MSI-Cellular Investments, later renamed Celtel, as a mobile phone operator in Africa.
According to the Forbes 2011 Billionaire List, Mo Ibrahim is worth $1.8 billion, making him the 692nd richest person in the world. Mo Ibrahim was also selected for the TIME "Top 100" list in 2008.
Since 2010, Ibrahim has lent his support to the Broadband Commission for Digital Development, a UN initiative which aims to spread the full benefits of broadband services to unconnected peoples.
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