A lot was riding on the meeting at JP Morgan. It was March 2015, and Pierre-Antoine Capton needed to convince a room filled with 40 bankers and lawyers that they should back Mediawan , a French company he believed could one day be Europe’s answer to the Hollywood conglomerates. Capton, a successful television producer, had been enlisted by telecom billionaire Xavier Niel and banker Matthieu Pigasse to raise $300 million for the new venture, despite the fact that he had no background in finance. For Niel and Pigasse, the idea was simple: raise capital through an IPO, make one major acquisition, cash out and move on. But Capton had different plans. When asked by the moneymen about his strategy, Capton said, in French, “My strategy for what? It’s for you to explain to me what I’m supposed to do.” Then he added, “Also, I wanted to tell you that I don’t speak English.” Popular on Variety “They all looked down at their shoes,” Capton says, laughing.…