Brent Lang Executive Editor of Film and MediaProducer and entrepreneur Alex Lieberman has launched Bright West Entertainment, a new film finance and production company with a special focus on backing documentary content.The company is making a big splash this month. Three of its next feature documentaries — “On the Line: The Richard Williams Story,” “Subject” and “Rudy! A Documusical” — are set to world premiere at the 2022 Tribeca Film Festival, which kicks off on Wednesday.“I’m focused on financing interesting stories and trying to serve as a catalyst to help projects get made,” Lieberman tells Variety.