John Mannion's Location
London, GB
John Mannion's Skills
John Mannion's Summary
John Mannion, based in London, GB, is currently a Business Planning at Virgin Media. With a robust skill set that includes IP, Fiber Optics, SDH, Broadband, Optical Fiber and more, John Mannion contributes valuable insights to the industry. John Mannion has 2 emails on RocketReach.