JW
John Wren
Chief executive and chair, Omnicom Group
John Wren is a chief executive and chair at Omnicom Group. Their most recent Section 16 filing is from May 2026.
- Known for
- chief executive and chair at Omnicom Group
Chief executive and chair, Omnicom Group
John Wren is a chief executive and chair at Omnicom Group. Their most recent Section 16 filing is from May 2026.