By: Brooks Barnes The Oscar-winning filmmaker Alex Gibney has sold a majority stake in his Jigsaw Productions to the philanthropist Wendy Schmidt. At a time when the documentary film business is atrophying, one of the world’s leading documentarians, Alex Gibney, has taken on a powerful partner: Wendy Schmidt, a billionaire philanthropist by way of Google. “We’ve been… Continue reading A Top Documentary Director Finds a Billionaire Backer