Apple senior vice president of retail Ron Johnson will deliver a keynote at the Seventh Annual Conference of the Centre for Design and Business.

Johnson will discuss how design principles unify branding, merchandising, marketing and people to deliver the "best buying experience on the planet".

The conference organizers said: "Apple has changed the face of computer retailing. Its store interiors are elegantly simple and efficient, staffed with knowledgeable sales people everywhere, helping customers explore Apple’s innovative hardware, software and Internet offerings.

"The conference is a forum where the best in the world of design and business will demonstrate how and why good design can lead to increased sales and profits for your company."

The event takes place on Thursday April 22 at the Rhode Island Convention Centre.