Wunderman Thompson appointed Lizzie Snell as managing director and Jim Dyer as head of client leadership.

Snell is charged with building integrated teams, utilizing creative, CRM, data, technology, experience, social and commerce. Reporting to Wunderman Thompson UK CEO Pip Hulbert, she will oversee the Canon, Specsaver and Mercedes Benz Vans accounts.

Previously, Snell was client partnership director at Valtech, handling clients such as the Very Group, Kingfisher and Rail Delivery Group. Before that, she worked at WPP and Possible.

Dyer arrives from Pulse Creative, the on-site communications agency for News UK. Prior to Pulse Creative, Jim spent a decade at Proximity London. In his new post, he will oversee the KitKat, Smarties and Quality Street and Coca Cola Co. portfolio.

Hulbert said the duo brings “huge passion for producing great work that gets the nation talking.”

Separately, the agency appointed Ashton Hubbard as sustainable commerce director to support retailers in advancing their environmental concerns. For the past year, she has been a senior project manager in the Seattle office.

Last month, Wunderman Thompson announced it was expanding its client offerings with Prism, a new music partnership proposition. The in-house sports and entertainment marketing agency provides an alliance with some of the world’s biggest music providers, such as Live Nation, AEG, Boiler Room, Warehouse Project and Broadwick Live. Kitkat and The Coca Cola Company are clients.