Jostock brings a wealth of experience with her to Bentley Motors, most notably a 12-year stint at Porsche.
Seat has appointed a new Global Head of Corporate Communications, while Cupra has a new Global Head of Marketing.
Stefanie Lackner will now lead Bentley's communications around issues including sustainability, as well as diversity and inclusion.
Emma Begley has been appointed the new Director of Global Communications for Rolls-Royce as Richard Carter leaves to pursue new business interests.
After eight years as Head of F1 Communications and Media Delegate for Formula One, Matteo Bonciani has elected to step back from this role.
SMRT's current Head of Corporate Marketing and Communications Ms. Margaret Teo will be replacing Mr. Patrick Nathan as Chief Spokesman from next month.