By A Mystery Man Writer
Birmingham-born Ben Francis started his sports clothing brand in 2012 after deciding to make his own gym clothes - now, just 11 years later he has made his debut on the Forbes billionaires list.
Meet the world's richest billionaires aged under 30
Inside amazing life of UK's youngest billionaire Ben Francis who forced his way on to Forbes rich list aged just 30
Inside amazing life of UK's youngest billionaire Ben Francis who forced his way on to Forbes rich list aged just 30
Gymshark owner who started business from his parents' garage becomes Britain's youngest billionaire
Inside life of Gymshark billionaire, 30, who dropped out of university to make gym clothing
Gymshark's Ben Francis becomes UK's youngest Billionaire
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Inside life of Gymshark billionaire, 30, who dropped out of university to make gym clothing
Ben Francis Net Worth: From Pizza Boy To Gymshark Billionaire