Mo took a contrarian bet on Africa when he founded Celtel International in '98 and built it into a mobile  cellular provider with 24 million subscribers across 14 African countries by 2004.
Mo je riskirao kada je osnovao Celtel International 1998. godine i razvio ga u pružatelja mobilnih usluga s 24 milijuna pretplatnika u preko 14 afričkih država do 2004. godine.