In his new role, Butler will run HTW and its digital offering, Wunderman Interactive. He will also work to integrate HTW with the rest of the Wunderman network.
Butler's 15-year career comprises several roles. Most recently, he was the managing director of TDC. He joined TDC from Grey Global Group, where he was the global director of integrated marketing for Masterfoods. Before that, he was the global account and planning director at Imagination.