CollabX 2027 Program
COLABX 2027 PROGRAM
Explore the program
Get a first look at the CollabX 2027 draft program. This version provides an overview of the planned sessions, speakers and timings; however, please note that the program is subject to refinement as final details are confirmed. We’ll continue to update the schedule as we lock things in, so check back for the latest version.
Robin Mellon MC
SPEAKER BIO
Robin Mellon has combined his love of the built environment, passion for sustainability, experience with supply chains, and qualifications in property and finance to become one of Australia’s experts on sustainable supply chains. Robin is:
- the former Chief Operating Officer of the Green Building Council of Australia
- founding CEO of Australia’s Supply Chain Sustainability School
- CEO of sustainability advisory Better Sydney
- Project Manager for the Property Council of Australia’s Modern Slavery Working Group
- a Director of the UN Global Compact Network Australia
- one of the International WELL Building Institute’s Global Advisory and
- Chair of Judging for the National Banksia Awards.
David Barter
Market Director – Defence & National Security, Beca
SPEAKER BIO
David is the Market Director, Defence and National Security for Beca, an employee-owned Trans-Tasman top-tier technical professional services firm, which specialises in the development, delivery and management of complex assets.
David’s experience has included the capability and acquisition linked advisory programs of work across the ADF and delivery agencies, to the more traditional infrastructure design works across the Australian Defence estate, and providing specialist technical advisory services.
David’s professional credentials include being both a Chartered Fellow and Engineering Executive of Engineers Australia, a Certified Practising Project Director of AIPM, and the former Chair of the Consult Australia Defence Roundtable.
Felix Bowman-Derrick
Assistant Secretary, Environment & Engineering, Department of Defence
SPEAKER BIO
Michelle is a Director within WSP’s Sustainability and Defence teams, specialising in the sustainability design of buildings and infrastructure. Michelle is passionate about delivering positive sustainable outcomes.
Her expertise extends across all fields of Defence project delivery and engineering. Michelle has delivered a number of major Defence projects in capacities as Consultants Representative, Project Manager, Technical Reviewer and Multi-Discipline lead.
Michelle Brownlie
Director, Sustainability & Defence, WSP
SPEAKER BIO
Michelle is a Director within WSP’s Sustainability and Defence teams, specialising in the sustainability design of buildings and infrastructure. Michelle is passionate about delivering positive sustainable outcomes.
Her expertise extends across all fields of Defence project delivery and engineering. Michelle has delivered a number of major Defence projects in capacities as Consultants Representative, Project Manager, Technical Reviewer and Multi-Discipline lead.
Jonathan Cartledge
SPEAKER BIO
CEO, Consult Australia
Fiona Doherty
SPEAKER BIO
Lucas Fiddaman
Defence Industry Development Manager, DefenceNT
SPEAKER BIO
Since commencing the role in 2023, Lucas has overseen the evolution of the annual NT Defence Week and uplifting and refreshing the NT’s approach to tradeshows, such as Indo-Pacific and Land Forces and Avalon. Currently, Lucas is focused on developing project-ready land for dual/multi-use industries, analysing industry capability to uplift local businesses across the NT, and working across government agencies to develop initiatives that support defence-enabling industries.
His background includes extensive experience in project management, stakeholder engagement, and industry development across federal and Territory government, as well as private enterprise. Lucas has lived, studied and worked in multiple locations around Australia and the world, and completed his Masters of International Development at Flinders University in 2015 after a lengthy career in the construction industry. He also holds other qualifications in project management, business and management.
BRIG Gabrielle Follett
Director General, Estate Service Delivery, Department of Defence
SPEAKER BIO
Brigadier Follett has held a range of staff appointments, including as Deputy Chief of Staff to the Chief of the Defence Force, Staff Officer Grade One Logistic Plans (Army Headquarters), and Commander Force Sustainment Group and Chief of Staff of 17th Sustainment Brigade. In 2020-21 Brigadier Follett served in Special Operations Command as Director of the Joint Inter-Agency Liaison Office. Most recently, she was the Director General Fuel Capability, responsible for the operation, supply and development of Defence’s fuel network. Brigadier Follett assumed the role of Director General Estate Service Delivery in January 2025.
Brigadier Follett has deployed to Afghanistan twice, firstly to Tarin Kowt with the 3rd Battalion, Royal Australian Regiment (2012) and to Kabul as the embedded Australian member of the US Army Commanding General’s Commander’s Action Group (2018). Brigadier Follett also deployed to Timor Leste twice, with the 5th/7th Royal Australian Regiment Battalion Group in 2002 and as the Plans Officer of the International Stabilisation Force on Operation Astute in 2010. From June 2007-January 2009 she deployed on Operation Paladin, first as a United Nations Military Observer in Syria and subsequently as the Staff Officer to the United Nations Head of Mission based in Jerusalem.
Brigadier Follett has humanitarian assistance and disaster relief operations experience in Sumatra, Indonesia, as part of Operation Padang Assist in 2010. She was the Operations Officer of Joint Task Force 637 during Queensland Flood Assist II (2012) and was part of the 3rd Brigade’s response to Cyclone Debbie (2017). Also domestically, she deployed on Operation Relex (2001) conducting border protection operations on board Navy vessels.
Brigadier Follett holds a Bachelor of Science in Chemistry and Mathematics, a Bachelor of Medical Science, a Master of Arts in Strategy and Policy, a Master of International Relations, and is a Graduate of the Australian Institute of Company Directors. Brigadier Follett completed the Australian Command and Staff College in 2011 and the Defence and Strategic Studies Course in 2022.
Since July 2020, she has been a Non-Executive Director on the Board of the Australasian College of Paramedicine. Brigadier Follett is the current Patron of the ADF Running and Athletics Association and is the Head of Corps of the Royal Australian Electrical and Mechanical Engineers.
Brigadier Follett was awarded a Silver Commendation for her leadership of Gallipoli Company and a Gold Commendation for her work on Operation Slipper. She was awarded the US Meritorious Service Medal for her performance in Kabul in 2018. Brigadier Follett was appointed a Member of the Order of Australia in the 2018 Queen’s Birthday Honours.
James Foreman
General Manager – Project Delivery (Defence), Laing O’Rourke
SPEAKER BIO
James has had an impressive career spanning over 30 years, working with some of Australia’s largest and most sophisticated contractors. He has extensive experience in large-scale public realm and infrastructure projects across various sectors such as retail, cultural, airport, and high-density residential developments. In the past decade, he has focused on the defence sector, leading significant projects like the C27J Spartan capability, RAAF Base Amberley capital works, and the Australia Singapore Military Training Initiative at Shoalwater Bay with Laing O’Rourke. Recently, he served as General Manager Health and Safety Australia and has now returned to his passion as General Manager Project Delivery for Defence projects in Australia with Laing O’Rourke.
David Hallinan
Deputy Secretary, Department of Defence
SPEAKER BIO
Dave is values driven, enjoys linking complex practical implementation issues with nationally significant agendas, and working collaboratively with complex stakeholder groups to solve challenging policy, program and regulatory issues to support the best outcomes for the Australian community.
Dave has spent his career working in policy development, as well as program and regulatory delivery across the Health, Infrastructure, Finance and Defence portfolios. Dave’s key experience areas include:
- Program and policy at the Australian Submarine Agency;
- Defence capability and infrastructure development;
- Infrastructure financing and delivery;
- Road and vehicle safety policy and regulation;
- Australian Government budget management and advice;
- Primary care and rural health financing and delivery; and
- Health workforce management and regulation, aged care, and health and related systems integration.
Chris Hodge
National Marine Manager, Duratec
SPEAKER BIO
Mr Chris Hodge is currently Marine Manager and NCIS Project Director at Duratec. With over 30 years’ experience in the marine, defence, civil infrastructure, and mining industries, he has successfully delivered projects throughout Australia and Asia in design and construct, alliance, ECI and head contract delivery models.
Mr Hodge was responsible as Project Manager for the successful delivery of the NCIS-2 Armament Wharf Extension Project, the NCIS-4B Oxley Wharf Extension Project, and he is currently Project Manager and Contractor’s Representative for the ECIHC for the Planning Phase of the NCIS-4C Parkes Wharf Extension Project and Contractors Representative for the NCIS-5 HMAS Coonawarra Maritime Works Stage 1. He leads a high performing Duratec Team, managing more than 200 people on site during peak operations at HMAS Stirling.
Having joined Duratec in January 2019, Mr Hodge is a seasoned professional who brings, consistency, lessons learned and enviable project delivery experience to the table which he willingly shares with others to build successful high performing teams.
Tahlia Howard
General Manager of Strategy, Indigenous Defence and Infrastructure Consortium
SPEAKER BIO
Tahlia is a proud Aboriginal woman with Gundungurraheritage, originally from the Hunter Valley, NSW. Tahlia began her professional journey in 2015 studying both Business and Law (Honours) and receiving her Diploma in Legal Practice in 2019.
From 2017 Tahlia worked in Construction Management across Health, Education and Residential developments as contracts administrator and bid manager, Tahlia continued into the Legal field, as a Commercial Solicitor. Tahlia transitioned her skills to working withthe Department of Defence leading an integrated workforce through robust Acquisition and Sustainment of Advanced Training and Test Environment capabilities, before stepping into the role managing strategic partnership at iDiC, and becoming Director of Blakout and Bullaburra Consulting.
It was during Tahlia’s time at the Department of Defence where, with visibility of tendering and procurement, Tahlia further developed her passion for enabling economic independence for Australia’s First Nation Peoples. The need to enhance and develop opportunities for Indigenous business, and bring to attention the skills, knowledge and capability Indigenous Industry offer, not only to Defence but to Government and corporate Australia.
During her time in the Department of Defence Tahlia delivered opportunities to the Joint Training Environment through networking, value propositions and challenging status quo, resulting in delivery of innovative capability. Tahlia is known for her passion, positivity and drive, to deliver best results for all stakeholders, in a pragmatic, trusted and commercially sensitive manner.
Tahlia brings unique experience across private and public sectors, and applies her knowledge, strategic thinking and leadership skills in building a platform from which Indigenous Entrepreneurs and Business owners can excel, in Australia and globally. Tahlia is committed to supporting opportunist growth and alignment of the iDiC, our Clients, end users and partners for a mutual benefit.
Tahlia enjoys regular surfing, traveling and spending time with friends and family.
Daniel Joinbee
SPEAKER BIO
Tasos Katopodis
President, Consult Australia
SPEAKER BIO
He is a Graduate of the Australian Institute of Company Directors and also an EPA appointed Environmental Auditor for Contaminated Land in Victoria. Tasos has more than 30 years’ experience in project direction, project management and senior line management / executive roles
Holly Lowe
Acting Director Program Management, Capital Facilities and Infrastructure, Department of Defence
SPEAKER BIO
Luke Madsen Maher
SPEAKER BIO
Luke has a track record of success in Defence, Social Infrastructure & Built Environment industry, with a portfolio of key appointments with international consultancy’s, top tier builders, and institutional investors across some of Australia’s most significant public and private projects.
Melissa Mailler
Assistant Defence Market Leader, GHD
SPEAKER BIO
David Mallett
Managing Director
Yanun Project Management
SPEAKER BIO
“David Mallett is a proud Ngarrindjeri man and the Founder and Managing Director of Yanun. His career began in the Australian Special Forces, where he served as a Clearance Diver and then Special Operations Sniper in the 2nd Commando Regiment.
Yanun is a project services consultancy specialising in the delivery of complex projects across diverse markets. Under his leadership, Yanun has grown into a trusted partner, known for its focus on efficiency, accountability, and proactive project delivery.
David and the Yanun team are passionate about fostering genuine partnerships, promoting Indigenous engagement, and creating pathways into professional careers for Indigenous people. He is deeply committed to empowering the next generation of leaders and driving sustainable, community-focused outcomes”.
Kristin Moss
SPEAKER BIO
Tim Napper
Federal Principal
HDR
SPEAKER BIO
Before joining HDR, Tim had a distinguished career in the Department of Defence, including serving as a project director in the Capital Facilities and Infrastructure Branch. He managed a multibillion-dollar portfolio of infrastructure projects across Australia and led high-profile projects in the Middle East and Papua New Guinea.
At HDR, Tim is responsible for leading the Federal sector in Australia. He utilises HDR’s global defence, science, and technology exchange to enhance the company’s 30 years of design experience for Australian Defence. This approach incorporates HDR’s expertise in advanced capability facilities, national security facilities, aviation, and maritime infrastructure, enabling the Australian sector to address some of Defence’s most critical challenges.
Tim Nicholls
Senior Director – Defence, Buildings & Nuclear, KBR
SPEAKER BIO
Tim Nicholls is KBR’s Australian leader for the Defence Infrastructure, Buildings, Maritime and Naval Nuclear business, responsible for all activities in Australia relevant to these sectors. This includes the sector strategies, delivery performance and bottom-line accountability for the business unit profit and loss across all service lines. Recently, Tim has been focused on KBR’s roles delivering Australia’s first naval nuclear licensed infrastructure at HMAS Stirling (WA) in support of Navy’s Submarine Rotational Force-West priorities, as well as the planning and design of the infrastructure for the Nuclear-Powered Submarine Construction Yard at Osborne (SA). This draws on Tim & KBR’s history delivering maritime infrastructure design services for Navy for the past decade. Tim has also recently enjoyed integrating the Frazer Nash team into the business, including their large cohort of locally based Nuclear Suitably Qualified Experience Personnel (NSQEP) and systems engineering capability, which has proven particularly useful for the assurance necessary for these complex maritime, nuclear licensed infrastructure projects.
Lachlan Orange
Contractors Representative – NTTAR Ranges Project, Sitzler
SPEAKER BIO
Lachlan Orange is the Contractors Representative for the Northern Territory Training Areas and Ranges Project (NTTAR), a flagship Project for Sitzler and one of the largest Defence projects under construction in the Northern Territory. He has 23 years’ experience in the Defence, Mining, O&G and Manufacturing sectors with exposure to numerous contract models on several complex and multidisciplinary projects. He is a qualified Engineer and has experience across all project phases, from initial design and procurement all the way through to final commissioning and handover. Lachlan’s leadership and collaborative approach is well respected across the industry, he is focused on projects working together as one team and developing local industry capability.
Amanda Pearce
Defence Design Deputy Lead, Aurecon
SPEAKER BIO
She passionate about inspiring and developing the next generation of engineers; especially women, and those from lower socioeconomic backgrounds, and often volunteers in this space.
Celia Perkins
Deputy Secretary, Security and Estate, Department of Defence
SPEAKER BIO
Celia Perkins became Deputy Secretary Security and Estate in December 2021 after being appointed as Deputy Secretary Estate and Infrastructure in August 2021.
Celia joined the Department of Defence through the Graduate Development Program in 1994, and served in a wide range of roles in international and strategic policy and intelligence.
Throughout her career, Celia has contributed to major defence initiatives including the Defence Reform program, the 2000 Defence White Paper, the establishment of the Australian Strategic Policy Institute, resolving long-standing security vetting backlogs, implementation of the 2020 Defence Strategic Update and Defence Planning Guidance. In 2021 Celia was appointed as a Defence Indigenous Champion.
Celia’s key leadership positions have included:
- Counsellor Defence Policy, Australian Embassy Washington 2007-2010
- Assistant Secretary Communication and Media 2011
- Assistant Director General Open Source Centre, Office National Assessments 2011-15
- First Assistant Secretary Defence Security and Vetting Services 2015-2019
- First Assistant Secretary Strategic Policy 2019-2021
Celia has a Bachelor of Arts (Communication) (University of Canberra, 1993), a Master of Public Policy (Australian National University, 2000). She has completed senior leadership programs including the Oxford Advanced Management and Leadership program (OAMLP) (2017) and the Harvard Kennedy School Senior Leaders in National Security program (2009).
BRIG Matt Quinn
Director General, Capital Facilities & Infrastructure Branch, Department of Defence
SPEAKER BIO
He has commanded at the Lieutenant, Major and Lieutenant Colonel level, culminating in his command of the Australian Army’s deployable design and project management agency, 19th Chief Engineer Works in 2015 – 2016. His Operational deployments include multiple deployments to Iraq and Afghanistan as well as a deployment to Solomon Islands as part of the Regional Assistance Mission.
Brigadier Quinn has extensive experience in infrastructure development and delivery including the management of projects in indigenous communities, in several Pacific Island countries and on Australian Defence Force bases. In his current role as Director General Capital Facilities and Infrastructure, Brigadier Quinn is responsible for approximately $40 billion worth of capital facilities projects being delivered on the Defence estate.
He holds an honours degree in Civil Engineering, a Masters of Business Administration and is a Chartered Member of Engineers Australia. He is a graduate of the Australian Command and Staff College and in the 2015 Australia Day honours, he was awarded the Conspicuous Service Cross for his service to Army on strategic estate issues.
Brigadier Quinn enjoys Aussie Rules football, reading and travelling. He is married to Amy, a registered nurse, and they have two children.
Ese Rainey
Director Program Assurance, Capital Facilities and Infrastructure, Department of Defence
SPEAKER BIO
Beginning her career as a Graduate Architect in the ACT, Ese contributed to significant projects such as the Kingston Foreshore Redevelopment Master Plan and Hotel Realm. Since joining Defence in 2006, she has played a key role in project and contract management, successfully delivering a wide range of capital projects, particularly in Queensland.
Currently, as the Executive Director Capability, Ese provides strategic oversight to ensure Government and Defence objectives are met across the facilities portfolio. She leads contract management, policy development, technical advisory functions and procurement.
Ese’s contributions have been recognised with multiple accolades, including the Australia Day Medallion (2014), Australia Day Achievement Award (2023), and an Honourable Mention in the Commonwealth Procurement Awards for her expertise in contract management and procurement (2023).
COL Len Rouwhorst
Director NPS Infrastructure, Australian Submarine Agency
SPEAKER BIO
After a broad range of Engineer appointments as a junior officer, Len was Commanding Officer and Chief Engineer of 19th Chief Engineer Works, Army’s deployable infrastructure project management unit. There he led the planning and delivery of works in support of the Army Aboriginal Community Assistance Program in remote areas across Australia, various regional Defence Cooperation Programs in the Indo-Pacific region, and ADF operations overseas.
Following Unit Command, Len was a Joint Operations planner at Headquarters Joint Operations Command, responsible for the detailed planning of new and revised ADF commitments in the Middle East region. During a subsequent period of long-service leave, he worked for the engineering consulting agency GHD as a Principal Project Manager. On promotion to Colonel in 2018, Len managed the development and delivery of a $6.5 billion portfolio of major capital facilities projects within Defence’s Security and Estate Group. In September 2021, Len moved to his current role in the Nuclear-Powered Submarine (NPS) Taskforce, and subsequently the Australian Submarine Agency.
Colonel Rouwhorst has operational experience in East Timor and Afghanistan. In 2001 he led a Project Management Team to build Metinaro Barracks for the newly formed East Timor Defence Force; in 2010 he deployed as an embedded Future Operations planner in Headquarters ISAF Joint Command in Kabul, responsible for the Campaign main effort in Kandahar; and in 2013 undertook operational command as the Task Group Commander for the Force Extraction Unit tasked with the remediation of Australian facilities at Tarin Kot, Uruzgan.
Len is a graduate of the University of New South Wales with a Bachelor of Engineering (Civil), and Master of Engineering Science (Project Management) and Arts (Strategy and Management). He is a Chartered Professional Engineer, Fellow and Engineering Executive with the Institute of Engineers Australia. He received a Chief of Defence Force’s Commendation for his successful leadership of the Metinaro project, and the Conspicuous Service Cross in 2018 in recognition of his outstanding achievement as the lead Joint Operations Planner for the Middle East region.
Tanya Sideris
Director of Operations – Defence and Regional Security, Jacobs Group Australia
SPEAKER BIO
Tanya has over 25 years of industry experience, commencing her career as a civil engineer in Transport, working across sectors in municipal works, in the local, state and federal government clients space, focussing delivery of projects in the built environment. After joining Jacobs in 2017, Tanya turned her attention to operational management, and since 2020, has led Jacobs operations business in the Defence market. Her passion is to drive collaboration across industry, unlocking the collective goal of delivering infrastructure for clients.
Craig Simpson
General Manager – Major Projects Defence, Built
SPEAKER BIO
He is deeply passionate about fostering collaboration among regional teams and cultivating relationships with local communities—driving program success through compliance and risk management while harnessing the unique value that local insights provide. He’s leadership has been instrumental in steering teams to meet program capabilities effectively and efficiently.
Beyond Defence, Craig’s industry experience is broad, having managed projects within the retail, education, hospitality, and social infrastructure arenas. As a seasoned Project Lead, he has been responsible for a portfolio of award-winning projects, each showcasing his commitment to excellence in delivery and project execution.
Craig’s approach is marked by thorough governance and an avid pursuit of innovation, attributes that have consistently elevated the projects under my direction. He’s strength lies in his ability to manage multiple complex projects simultaneously, especially in sensitive environments, demonstrating skill in overcoming the diverse challenges that the construction industry presents.
Paul Skinner
SPEAKER BIO
Robert Sobyra
Executive Director – Research & Planning, Build Skills
SPEAKER BIO
Pat Sowry
First Assistant Secretary Infrastructure, Security and Estate Group, Defence
SPEAKER BIO
Pat held military staff appointments in capability development and infrastructure delivery related to counter-terrorism capabilities, and in Future Land Warfare and Strategy in Army Headquarters.
He joined the Australian Public Service in 2011 working in Indigenous Affairs where he led a
program reforming public housing in remote Indigenous communities in the Northern Territory. He subsequently moved to the Department of the Prime Minister and Cabinet in 2013 before returning to Defence in January 2019 as the Assistant Secretary Estate Planning. He has been the First Assistant Secretary Infrastructure within the Security and Estate Group of Defence since June 2023.
Robert Sutton
DSC Major Projects Director, Defence & Nuclear, KBR
SPEAKER BIO
Robert is a Major Projects Director within KBR’s Defence and Nuclear business. With a 25-year career, Robert has led design teams on numerous large infrastructure projects across sectors including Defence, Mining, Oil & Gas, and Transport Infrastructure.
Currently, Robert is the DSC Project Director for the Submarine Rotational Force West (SRF-W) Priority Works, where he leads a large design team delivering Australia’s first naval nuclear licensed infrastructure at HMAS Stirling (WA). As KBR’s chief Design Manager, Robert is passionate about design leadership and enhancing project outcomes through design and the use of Digital Engineering.
Luke Taylor
National Business Development Manager, Intract Australia
SPEAKER BIO
Luke Taylor is a proud Kaurna and Ngarrindjeri man from South Australia with extensive experience in Indigenous business development, procurement, and project management. As the National Business Development Manager at Intract Australia, he plays a key role in driving strategic growth, securing high-impact projects, and fostering strong client relationships. His leadership has been instrumental in expanding Intract’s success across key sectors, including Defence, mining, and aged care, ensuring that every project contributes to the economic and social empowerment of Indigenous communities.
With a deep understanding of the Department of Defence’s construction sector, Luke has developed strong expertise in Defence contract models, procurement pathways, and contract administration. Having progressed through the Partnered Delivery Services (PDS) program into the Capital Facilities and Infrastructure (CFI) division, he has gained extensive knowledge of Defence project delivery requirements. His ability to navigate complex procurement processes and administer contracts to meet Defence compliance standards has been critical to Intract’s ongoing success in the sector.
Beyond his contract administration expertise, Luke has played a significant role in developing and expanding local industry participation across Defence projects. His extensive experience in working with Defence Primes, subcontractors, and Indigenous businesses has helped drive greater inclusion of local suppliers, particularly Indigenous-owned enterprises, into major Defence supply chains. Luke has been instrumental in strengthening procurement pathways that connect local businesses with Defence infrastructure projects, ensuring economic benefits are retained within local communities while supporting sustainable industry growth.