Close icon Two crossed lines that form an 'X'. It indicates a way to close an interaction, or dismiss a notification. Juul brand vape cartridges are pictured for sale at a shop in Atlanta Reuters Joel Klein, a top exec at health insurer Oscar, has joined vape company Juul's board of directors. Juul has come under fire in the past for helping to spark a youth vaping epidemic. The company said Klein would help it deliver on its commitment to stop underage vaping. Joel Klein, a top executive at health insurer Oscar Health, has joined the board of directors of Juul Labs, an e-cigarette company that's landed itself in hot water over the years for allegedly marketing its products to school kids.