archTIS welcomed Miles to the archTIS Board, bringing with him expert industry knowledge in information-sharing platforms and solutions. Miles co-founded Citadel in 2007, and grew the company strongly in Defence, intelligence, and government agencies before then listing on the ASX in late 2014. Citadel specialises in managing information in complex environments through the provision of tailored software, Software as a Service (SaaS) and Information and Communication Technology (ICT) managed service solutions, and is particularly strong in the information management, security, and healthcare sectors. He resigned from Citadel in early 2019 to focus on more strategic Board roles.