Manage our Google Ad Words Campaign

Hi We are a small but growing luxury tour operator with a UK and US travel website. We currently spend approx £12k a month advertising on Google UK, US, Australia and South Africa. We're looking for an experienced and Google certified consultant to manage our various ad word campaigns. The ideal candidate will have sufficient time available to actively manage these campaigns and achieve a better ROI or reduced ad spend. Please only bid if you are Google certified, have significant experience in PPC and can commit to this as a long term on-going role with sufficient time in your schedule to achieve the KPI's we are looking to achieve. If you do bid, please specify your monthly rate to do this role. Thank you