CASG leadership team
The Capability Acquisition and Sustainment Group (CASG) is forward-looking and committed to achieving world’s best practice benchmarks in equipping and sustaining one of the most respected military forces in the world - the Australian Defence Force (ADF).
The current CASG leadership team.
The CASG leadership team has a good balance of private and public sector experience, as well as extensive military domain knowledge. It is a strong and successful team with outstanding qualifications and ample expertise to lead CASG now and into the future.
Deputy Secretary CASG
On 31 August 2015, Kim Gillis was appointed Deputy Secretary Capability Acquisition and Sustainment Group (CASG). Kim is responsible for CASG’s portfolio of acquisition projects and sustainment products that procure and sustain materiel capability for the Australian Defence Force.
Prior to joining the Department of Defence, Kim was vice president and managing director of Boeing Defence Australia. Kim managed all of Boeing Defence Australia businesses and functions at the organisation’s 15 sites across the country and 4 international locations. Before this, Kim was Boeing Defence Australia’s chief operating officer, overseeing the organisation’s day-to-day operations, alignment and integration with Boeing Defense, Space and Security and compliance and governance.
Prior to his work at Boeing, Kim was General Manager Systems for the then Defence Materiel Organisation (DMO). In this role, he led the reform agenda for DMO acquisition and sustainment in an environment of significant change as a result of major Defence-wide reforms. As a senior program manager, he successfully managed and executed multi-billion dollar projects involving integrated teams of professionals in Australia and overseas. Mr Gillis was the program manager for the Australian Landing Helicopter Dock Program.
Kim has also worked for the Austal Group, where he was the capture team lead and project manager for the United States Navy Littoral Combat Ship, the Joint High Speed Vessel Program, and the Royal Australian Navy Armidale Class patrol boat fleet.
Kim holds a Bachelor of Arts degree in business administration with a major in legal studies from University of Canberra. He is a qualified Master Project Director (AIPM). Kim is the founder and sponsor of Queensland University of Technology Executive Masters in Complex Project Management Program and International Centre for Complex Project Management.
Group Business Manager CASG
On 29 September 2015, Greg was appointed as the Group Business Manager Capability Acquisition and Sustainment Group (CASG). This COO-like role supports the Deputy Secretary CASG and is responsible for implementing CASG reforms arising from the First Principles Review, including the re-integration of CASG back into Defence and reform of procurement and contracting. Greg also oversees CASG’s overall performance and the delivery of effective business services to the group.
In August 2014, Greg joined Defence as Head of Infrastructure. In this role he was responsible for major estate developments to support new Defence capabilities, as well as major estate maintenance programs and estate disposals. Greg managed the $1.3 billion major capital works program for estate sustainment and development.
Greg has over 30 years experience working in the public sector. Prior to working in Defence, Greg managed major whole-of-government change programs in Centrelink and the departments of Human Services, Treasury, Climate Change and Energy Efficiency and Industry. These programs have all involved transformational change and/or significant organisational reform, many with the added challenge of having to maintain delivery of existing government outcomes.
Greg has a Bachelor of Applied Science (Mathematics) and a Masters of Business Administration. In 2015 Greg completed the Harvard Kennedy School’s National and International Security program for senior executives.
First Assistant Secretary Joint Systems
Ivan Zlabur is the First Assistant Secretary Joint Systems within Capability Acquisition and Sustainment Group (CASG). In this role he oversees the acquisition, integration and sustainment of Australian Defence Force joint systems covering communications, command and control, deployable networks, electronic warfare and wide area surveillance systems, guided weapons and munitions.
Ivan has over 37 years of experience working in the Defence sector. Serving in the Royal Australian Air Force from 1980 to 2000 Ivan worked in various operational and support units, and in earlier Defence acquisition organisations as a technician and engineer.
After leaving the Air Force in 2000 Ivan worked as an executive and engineering consultant for an Australian Defence SME until 2006.
Since joining the Australian Public Service in October 2006 Ivan has served in a range of positions within CASG, and its predecessor the Defence Materiel Organisation. Ivan’s roles included Director General Satellites and Tactical Interoperability and Assistant Secretary Intelligence, Surveillance, Reconnaissance and Electronic Warfare.
Ivan holds a Bachelor of Communications Engineering degree – First-Class Honours, a Master of Science (Military Electronic Systems Engineering) and a Graduate Diploma of Management (Technology Management). He is a Chartered Professional Engineer, a member of the Australian Institute of Project Management, a member of the Australian Institute of Company Directors, and an alumnus of the Australian National Security College, Melbourne Business School. In 2016, Ivan completed the Harvard Kennedy School’s Senior Managers in Government program.
Rear Admiral Adam Grunsell
Head Maritime Systems Division
Rear Admiral (RADM) Adam Grunsell is currently serving as the Head of Maritime Systems Division within the Capability Acquisition and Sustainment Group (CASG), where he is responsible for the in-service sustainment of all units of the Royal Australian Navy (RAN) surface fleet.
RADM Grunsell joined the RAN in 1984 and undertook his initial Bachelor of Arts studies at the Naval College before completing further study at HMAS Watson and the Australian Defence Force Academy in 1985-86. In 1987, he undertook initial Maritime Logistics Officer training at HMAS Cerberus followed by a range of sea and shore postings.
In 2001, RADM Grunsell completed the inaugural Australian Command and Staff Course graduating with a Masters in Management (Defence Studies). In 2005, he was appointed as the Director General Navy Communications and Coordination in Navy Headquarters (2005-07) where he was awarded a Conspicuous Service Cross in the 2007 Australia Day Honours List.
RADM Grunsell was promoted to Commodore on 14 October 2011 and appointed as the Director General Maritime Support until 2014 and then Director General Reform in Maritime Systems Division of CASG. He was recognised as a Member of the Order of Australia in the 2015 Queens Birthday Honours List for his efforts in maritime logistics and engineering and sustainment support of the RAN fleet.
Stephen E. Johnson
General Manager Submarines
Stephen E. Johnson commenced as General Manager Submarines in the Capability Acquisition and Sustainment Group on 4 November 2015. Steve is responsible for all aspects of submarine support across Defence in Australia, working across government and industry as the project integrator of our existing submarine fleet and the Future Submarine Project.
Prior to commencing with Defence, Steve was Vice President and General Manager at Power and Control Technologies, a DRS Technologies owned company.
From 2006 until his retirement, as Rear Admiral, from the United States (US) Navy in 2010 Steve served as the Director of the Strategic Systems Program and the officer in charge of the program to replace the Ohio Class Ballistic Missile Submarines. He had a major role in the design or construction of every class of US nuclear powered submarine since the Ohio Class. In addition to serving in a key position during the design of the Virginia Class, Steve was Program Manager for the Seawolf Class and USS Jimmy Carter before commencing the Ohio Replacement Program.
As the US Polaris Sale Agreement representative Steve oversaw the modification of the agreement to design and build a common missile compartment for the Royal Navy’s successor to the Vanguard Class Ballistic Missile Submarine and the Ohio Replacement Program.
Steve is a native of Wisconsin Rapids and a graduate of the University of Wisconsin at Madison.
Rear Admiral Gregory Sammut
Head Future Submarine Program
Rear Admiral (RADM) Gregory John Sammut assumed duties as Head Future Submarine Program in September 2013.
RADM Sammut was born in Sydney in 1966. He fulfilled a long-held ambition to join the Royal Australian Navy from high school in 1984. Having completed an honours degree in electrical engineering in 1987, he subsequently conducted seaman officer training before qualifying as a submariner in 1991 and then obtaining his submarine command qualification in 1996.
RADM Sammut served as a Commanding Officer of the Collins Class Submarine, HMAS Farncomb, and the Anzac class frigates HMAS Ballarat and HMAS Toowoomba. From June to November 2006, he was Commander Task Group 158.1, directly responsible to the Commander of Coalition Forces in the Northern Arabian Gulf. His most recent operational role was as Commander Combined Task Force 150 from October 2010 to April 2011, during which he commanded operations of the maritime counter-terrorism task force of the Combined Maritime Forces in the Middle East Area of Operations.
His shore duties have included Commander Submarine Sea Training, Chief Staff Officer-Operations in Fleet Command, Director Submarine and Specialist Ship Development within Capability Development Group, Chief of Staff to Chief of Navy, and Director General Submarine Capability within Navy Strategic Command.
A graduate of both the Royal Australian Navy Staff College and the Naval Command College in Rhode Island United States, RADM Sammut also holds a Masters Degree in Business Administration.
Rear Admiral Tony Dalton
General Manager Ships
Rear Admiral (RADM) Tony Dalton is General Manager Ships. In this role RADM Dalton oversees the acquisition of Navy’s future fleet of combat and combat support vessels.
RADM Dalton has decades of Defence experience having joined the Royal Australian Navy in 1980 as a direct entry aviation midshipman. He has amassed over 5500 military helicopter flying hours and has extensive experience as a Sea King and Seahawk flight pilot, a display pilot and as a qualified helicopter instructor. He served as Executive Officer of 816 Squadron in 1996 and Commanding Officer of 805 Squadron in 2001.
RADM Dalton has held a number of senior operational and acquisition and sustainment management positions including Commander Fleet Air Arm in Navy, Head Helicopter Systems Division in the then Defence Materiel Organisation and Head Joint Systems Division in the Capability Acquisition and Sustainment Group.
Major General David Coghlan
Head Land Systems Division
Major General (MAJGEN) David Coghlan commenced duties as the Head of Land Systems Division in November 2015. In this appointment, MAJGEN Coghlan oversees the acquisition and sustainment of designated land systems for the Australian Defence Force.
MAJGEN Coghlan has significant command, staff, leadership and operational experience. He has commanded the 16th Air Defence Regiment and the 6th Brigade with key staff postings including J5 Plans at the Joint Operations Command and Director General of Military Strategy. He deployed to East Timor in 2003–04 as the Senior United Nations Military Observer in the Oecussi Sector, Afghanistan in 2006–07 as the Deputy Commander of Joint Task Force 633 and most recently a second tour of Afghanistan from October 2013 to November 2014 as the CJ5 of the International Security Assistance Force Joint Command in Kabul.
MAJGEN Coghlan is a graduate of the Royal Military College Duntroon, Army Staff College, the United States War College and the Harvard Business School Advanced Management Program. Academically he has a range of qualifications including a Bachelor of Arts, a Master of Defence Studies, a Master of Strategy and a Graduate Certificate in Strategic Procurement.
Major General Andrew John Mathewson
Head Helicopter Systems Division
Major General (MAJGEN) Andrew Mathewson was appointed as Head Helicopter Systems Division in October 2015. In this role he is responsible for the acquisition and support of Defence’s helicopter and tactical unmanned aerial systems fleets.
MAJGEN Mathewson joined the Army as an Apprentice Fitter and Turner in 1980. Following graduation from the Royal Military College, Duntroon in 1987 MAJGEN Mathewson’s early postings were predominately technical, working in engineering, integrated logistics support and test and evaluation on land weapons and armoured vehicle systems. He has extensive experience in materiel acquisition and sustainment through a range of major projects including Bushranger protected mobility vehicle, Tiger armed reconnaissance helicopter and the Taipan multi-role helicopter. He served as Director General Army Aviation Systems for a period of 5 years. He has also served on exchange in the UK’s Headquarters Land Command, in Joint Logistics Command, Army Headquarters and as a military attaché within the Australian High Commission, London.
Major General Mathewson has completed a Bachelor of Mechanical Engineering (1st Class Honours), a Master of Business Administration (Technology Management), a Master of Science (Defence Technology) and a Master of Defence Studies.
In 2015 he was appointed as a Member of the Order of Australia.
Air Vice-Marshal Cath Roberts
Head Aerospace Systems Division
On 21 March 2016, Air Vice-Marshal (AVM) Cath Roberts took command of the Aerospace Systems Division within the Capability Acquisition and Sustainment Group. In this role she is responsible for the acquisition and sustainment of all fixed wing aerospace capabilities and their enabling systems.
Cath Roberts joined the Royal Australian Air Force (RAAF) in 1983 to study Aerospace Engineering. She graduated from No 28 Course Engineering Cadet Squadron in 1986. Cath completed her first posting as a maintenance engineering officer supporting flight test on CT4, PC-9, DC-3, Iroquois, Squirrel, Blackhawks, Mirage, Macchi, and F111s at the Aircraft Research and Development unit. She was posted to Headquarters Support Command as a logistics engineer and was also posted to the United Kingdom for the Hawk Lead In Fighter project, remaining there until introduction of the Hawk into RAAF service in 2000.
After completing a Masters of Management at the Joint Command and Staff Course in 2001, she was posted to the Airworthiness Coordination and Policy Agency. In this role Cath received a Conspicuous Service Cross for her work in Australian Defence Force (ADF) airworthiness oversight of introduction of major aviation capabilities, establishing ADF operational airworthiness regulations and developing new airworthiness frameworks for charter and unmanned aircraft.
In 2011 Cath completed the Royal College of Defence Studies course in London studying International Policy and Strategy. In 2013 she joined the F-35 Project Office with major achievements being achievement of Government program approval in April 2014 and the introduction of the first two Australian aircraft into service in December 2014. In 2015 Cath saw the acceptance of the first Australian Growler and took responsibility for materiel acquisition and sustainment of Growler, Super Hornet, Classic Hornet and Hawk Lead-in Fighter as well as the Air Combat Sustainment transition.
Air Vice-Marshal Leigh Gordon
Head Joint Strike Fighter
In March 2016, Air Vice-Marshal (AVM) Leigh Gordon was appointed as Head Joint Strike Fighter.
AVM Gordon has decades of Defence experience and has served in a range of director and branch head positions and until recently was Head Aerospace Systems Division. He has also worked in a number of staff and maintenance positions, including postings as a Senior Engineering Officer supporting PC9, Macchi and Caribou aircraft, and as the Project Manager for the Lead-in Fighter Project. AVM Gordon's command appointments include Commanding Officer of 382 Expeditionary Combat Support Squadron (382ECSS), and Officer Commanding the Training Aircraft Systems Program Office.
AVM Gordon has been awarded a Conspicuous Service Medal for his work as Lead-in Fighter Project Manager, and a Chief of Air Force Commendation for his role as Commanding Officer 382ECSS. He was made a Member in the Order of Australia (AM) on Australia Day 2015 for exceptional service to the Australian Defence Force in aerospace logistics.
General Counsel / First Assistant Secretary Commercial Division
Liesl O’Meara was appointed as General Counsel, to the then Defence Materiel Organisation's (DMO's) (formerly Special Counsel), in July 2011 and is the First Assistant Secretary Commercial Division.
Liesl has responsibility for Capability Acquisition and Sustainment Group's (CASG’s) in-house legal function, the provision of specialist contracting support to CASG Project and System Program Offices, maintaining and improving Defence procurement policy and processes and professionalisation of the Procurement and Contracting Job Family.
Liesl is committed to developing and leading a customer focused team of specialist contracting and legal officers capable of delivering business solutions aligned to Defences outcomes and which appropriately balance commercial risks and the need for compliance and consistency in practice.
Prior to joining the then DMO Liesl gained extensive professional experience working in private practice with a number of Australia’s leading commercial law firms spanning a range of different practice areas, including major projects, tendering and contracting, intellectual property and technology.
First Assistant Secretary Procurement and Contracting
commenced as First Assistant Secretary Procurement and Contracting, Capability Acquisition and Sustainment Group (CASG) on 21 November 2016.
Building on nearly twenty-years of public sector procurement, contracting and commercial experience spanning four departments, Victoria currently has responsibility for Defence’s procurement policy and practice framework and the professionalisation of the Procurement and Contracting Job Family. She is also responsible for the provision of specialist procurement and contracting staff within Commercial Division to support CASG’s materiel and Defence’s non-materiel procurements.
Leading CASG’s Commercial Reform Program, Victoria is committed to streamlining and simplifying Defence’s commercial policy framework; reducing the cost of tendering and improving procurement processes; enhancing organisational commercial capability; improving strategic supplier management and engagement; and supporting implementation of Smart buyer. She is also leading the design and implementation of CASG’s Commercial Centre of Expertise to facilitate the achievement of these reforms.
has an Executive Masters in Business Administration (Complex Project Management); a Masters in Commercial Law; a Graduate Diploma in Public Policy; and a Bachelor of Arts (Asian Studies). In addition to supporting strategic Defence materiel procurements in Australia and overseas, Victoria has previously led procurement and contracting at the Department of Foreign Affairs and Trade, and the Australian Agency for International Development.