Australian Marketing Institute | 26,582 followers on LinkedIn. AMI is the requisite organisation for professional marketers & authoritative voice of Marketing in Australia since 1933. | The Australian Marketing Institute (AMI) is the professional body for marketing practitioners in Australia. We represent professional marketers across all disciplines and sectors including public and private enterprise, education and not-for-profit. One in two adults in the working population have something to do with Marketing in their roles i.e. acquiring customers; retaining customers or improving the customer experience.