Holder, who takes on the newly created role, joins from Turquoise Branding, where he was creative director and worked for clients including Channel 4, BBC and Pipex. Before that he spent a decade as creative director of Dennis Interactive.
Redwood has also appointed William Foxwell, the former Channel 4 clips editor, as head of its in-house video department. At the publishing group, he will work on video content for all Redwood clients, including Land Rover, Oli, Royal Mail, BT and Mazda.
Keith Grainger, Redwood's chief executive, said: "Following our 'inspiring content' repositioning last year, Redwood has continued to focus on looking at the best ways to provide our clients with award-winning content that can be applied across a wide variety of media platforms.
"Wayne and William bring with them the experience, knowledge and talent we need to further enhance our position as a leading multi-channel digital content provider."