GroupM is WPP's media investment group and the world's leading media investment company with a mission to shape the next era of media where advertising works better for people.. GroupM agencies include Mindshare, EssenceMediacom and Wavemaker. With more than 1,000 people based in Sydney, Melbourne, Adelaide and Brisbane, GroupM's primary purpose is to maximise performance of WPP's media agencies by operating as leader and collaborator in trading, content creation, commerce, sports, digital, finance, proprietary tool development and other business-critical capabilities. GroupM's focus is to deliver...