'Even now, I'm often the only black man in the room'; Segun Osuntokun, head of an international law firm, tells Michael O'Dwyer of his work to make Black Lives Matter in the City

Segun Osuntokun is the head of a City law firm, responsible for about 900 employees and £250m of turnover. He has three decades of experience advising banks, private equity funds and blue chip companies. But when he turns up for a meeting, he is still conscious of his race.

"You walk into a meeting room or a negotiating room, you're the only black person in the room, you're the most senior person in the team," he says. "And if they're not expecting you [to be a black man], then you … mi...