Sony Mobile CMO Steve Walker will step down from his role as part of plans to restructure the brand in line with the electronics giant's “One Sony” global operating model.

Walker, who has been with the company in its various guises for 17 years, will step down at the end of March. His responsibilities will be assumed by Jacob Sten, who leads Sony Mobile's newly formed product marketing department. It is not known if Walker has another role to go to.

Walker, ...