Herbert Diess has been CEO of Volkswagen Group only since April, yet the 60-year-old former BMW executive now heading one of the world's largest automakers has a clear vision of where he wants to lead his company.

Han-woo Park says Kia is graduating from its position as a fast follower to being a global leader in such areas as design and quality. The Kia CEO also wants to build up the brand's light-truck lineup.

Wonhee Lee is pushing Hyundai Motor Co. to introduce a full lineup of crossovers, roll out more electrified vehicles with next-generation batteries, and possibly even offer a pickup.