J. Walter Thompson Worldwide

J. Walter Thompson Worldwide (JWT) is a privately owned advertising services company founded in 1864. Currently a subsidiary of WPP, JWT's headquarters are in the United States. While the provided description claims a global presence with over 200 offices in 90 countries and over 12,000 employees, current data indicates a headcount of 1610. The company's history includes several industry firsts, such as establishing a global presence, creating a dedicated creative department, hiring a female copywriter, and introducing the planner role.