NEW YORK — The head of Weber Shandwick’s external marketing and communications arm Jennifer Norton is leaving the agency to join Johnson & Johnson.

Norton’s role at Weber was SVP of global marketing and corporate affairs, reporting directly to the firm’s global CEO Andy Polansky. At J&J, she will take on the role of senior director of North America communications for Janssen pharmaceutical companies.

Norton starts her new role later this month. Weber did not immediately respond to comments on her replacement.