Nairobi, Feb. 10 -- If things had gone his way, Imran Manji would be a doctor. It's hard to see why not. For one, he speaks like one. With short, pithy, rapid bursts. Another, he carries his charisma with languid coolness, moving like a Zen master, a picture of serenity at the centre of the storm.

Perhaps that is why he is just what the doctor ordered for Uber East Africa-a ride-hailing firm-their talisman, and prophet. But if he comes across as happy-go-lucky, underneath that is a serious work ethic and smart analyst who carries his convictions by example. Like supporting Manchester United, his major character flaw. "I prioritise watching Man U," he says, smiling through the pain.

In his theatre of dreams, he gushes about his two- and ...