Session 3.4a Expo Panel Session: C4 Design and Interoperability in the ADF
Tracks
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| Thursday, November 19, 2026 |
| 11:30 AM - 12:30 PM |
| Royal Theatre |
Presentation Outline
Building on the preceding session, this panel will explore the practical challenges of delivering interoperable C4 capabilities across the ADF. Panellists will discuss the balance between Service-specific and joint requirements, integration of legacy and emerging systems, approaches to capability design and acquisition, and the role of industry in delivering effective interoperability. The discussion will also consider future priorities for ADF C4 and what is required to achieve a more integrated and connected Defence environment.
Speaker
GPCAPT Sean Ahern
Royal Australian Air Force
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Biography
GPCAPT Andrew Brandham
Joint Capability Group
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Biography
LTCOL Phil Ellsmore
Australian Army
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Biography
Colonel Phillip Ellsmore is the Director Land C4ISREW within Army Headquarters, responsible for the development, integration and modernisation of the land force's Command, Control, Communications, Computers, Intelligence, Surveillance, Reconnaissance and Electronic Warfare capabilities. Since joining the Australian Army in 2004, he has served in a variety of command and staff appointments across Army, Special Operations Command and Joint Capabilities Group. His experience spans capability development, cyber operations, communications systems and major capability acquisition programs.
Colonel Ellsmore has deployed on Operation SLIPPER and has led the delivery of significant digital and network modernisation initiatives that enhance the Australian Army's ability to operate in increasingly contested and data-rich environments. In his current role, he focuses on accelerating the adoption of emerging technologies, strengthening interoperability with allies and partners, and delivering the integrated digital capabilities needed for future land operations.
Colonel Ellsmore has deployed on Operation SLIPPER and has led the delivery of significant digital and network modernisation initiatives that enhance the Australian Army's ability to operate in increasingly contested and data-rich environments. In his current role, he focuses on accelerating the adoption of emerging technologies, strengthening interoperability with allies and partners, and delivering the integrated digital capabilities needed for future land operations.
CAPT Kate Pisani
Director Assured Command and Control
Royal Australian Navy
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Biography
CAPT Kate Pisani leads the Navy’s efforts in assured command and control, driving integration and resilience across maritime C4 capabilities. As Director, she plays a key role in shaping joint interoperability and supporting mission assurance through innovative design and governance.
COL Nathan Schurmann
Director C4 Design, Data and Systems Design Branch
Force Integration Division, VCDF Group
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Biography
COL Schurmann is the Director C4 Design in VCDF Group, where he is responsible for design of the joint C4 architecture that enables integrated by design technical interoperability for the Integrated Focused Force. COL Schurmann has extensive experience in command and staff roles, and a strong background in joint and coalition interoperability.