Martin Porter currently heads up all out of home (OOH) planning and buying for Dentsu U.S. Porter has been in the United States since 2011, but worked in the United Kingdom in both agency and media owner roles across OOH, radio and cinema. Porter’s last role in the UK was marketing for CBS Outdoor during the launch of the first scaled digital network on the London Underground. He came to the United States to drive digital OOH- integrating it into part of everyday OOH planning. Porter also oversaw the launch of Liveposter, Dentsu’s proprietary dynamic content platform, which has led the team winning multiple Drum awards, and the OAAA Media Plan of the year for three consecutive years.