Castrol appointed Heike van de Kerkof head of its Europe and Africa lubricants business. Previously, she worked with DuPont in various regional and global senior sales, marketing and venturing positions, and as a non-executive director of Neste Oil. German chemicals distributor Brenntag will start distributing Helsinki-based Nestes Nexbase Group III base oils in Greater China starting April 1. Kluber Lubrication Munich SE & Co. launched an optimization project with independent spend management company Jaggaer to strengthen Klubers supplier management and communications.