Warren is the Director of the Australian Air Force Cadets (AAFC) Alumni and a member of the AAFC Foundation. Warren retired from the Royal Australian Air Force in 2019 at the rank of Group Captain, after 42 years as an Aerospace Engineer. His career involved responsibility for aircraft maintenance, management of officer training, and project management of major capital acquisition projects such as the C-17. In 2007, he completed a Master of Management Studies, with a double major in Equipment and Technology and Logistics, at the University of NSW. While working as a professional engineer, he was accredited as a Fellow of the Institute of Engineers Australia, followed by accreditation as a Certified Practising Project Director by the Australian Institute of Project Management. Warren continues to serve as an Officer of Cadets in the AAFC, where he manages the delivery of training to young Australians interested in aviation, cybersecurity and space programs