John Brennan has served in Army since the 1980s. He has had the privilege to command soldiers in a range of regimental and formation appointments. He is interested in how Australia can best meet the challenges of defending the homeland in the third decade of this challenging century.

Jack Cross is a signals officer currently instructing at the Royal Military College - Duntroon. He has served for over 12 years in a variety of regimental, staff and operational roles.

Rob is an Infantry Warrant Officer Class One.

Christie Underwood is an officer in the Royal Australian Navy. She recently acted as the METOC for the Australian Amphibious Task Group on major amphibious exercises.

Aaron Wright is an Australian Army Education Officer who is currently posted as the officer in charge of the Puckapunyal Army Education Centre. Aaron has a Masters level Graduate Certificate in Cyber Security from Charles Stuart University. Before commissioning as an officer he spent five years living and working in Japan teaching English and karate.

Major Mark Tutton is an Australian Infantry Officer currently posted to the Marine Corps Warfighting Laboratory. He commanded Delta Company (D Coy), 6^th Battalion, The Royal Australian Regiment (6RAR) in 2014, and was the Ready Battle Group Operations Officer in 2015.

Edward Farren is a regular Infantry officer with 8 years experience in Regimental Duty and instructional posts at Royal Military Academy Sandhurst and is a Masters graduate of King’s College London. He is an avid proponent of wargaming as an effective PME tool both inside field units and formal training establishments.