The National Trusts of Australia (Victoria)'s Executive Team provide strategic and operational leadership. As leaders in their respective fields, they are committed to the mission, staff and members of the NTAV.

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Philip Martins

Interim Chief Executive Officer & Chief Financial Officer

Philip is the current Interim Chief Executive Officer (CEO) and Chief Financial Officer (CFO) of the National Trust of Australia (Victoria). Philip joined the organisation in July 2021 as the CFO and has been Interim CEO since February 2024. 


Philip is a qualified Certified Practising Accountant and member of CPA Australia. He has Bachelor in Business (Accounting) from La Trobe University and Sports Science (Exercise Science) from Victoria University. 


Philip is a professional executive with almost 30 years of diverse experience across numerous industries. Previous roles include CFO of Brad Teal Real Estate, CFO Bambora, Asia Pacific, Head of Finance at Marsh Ireland and has held several senior finance and business operational roles at National Australia Bank. 


As the Interim CEO and CFO, Philip is tasked with leading and stewarding the financial health of our heritage organisation. Philip recognises the dual imperative of preserving our cultural legacy for current and future generation to enjoy, while ensuring its commercial viability. In embracing this challenge, he advocates for a strategic alignment that harmonises our commitment to heritage preservation with a pragmatic focus on ensuring financial stability, so that the NTAV can continue to sustainably fund conservation activities across its portfolio of properties. 


Philip is one of the founding board directors and Chief Financial Officer (Pro Bono) of the Live for Lily Foundation, a successful Melbourne based registered charity, whose mission is to raise funds for the prevention and cure of childhood cancer. 

Tim Bilham

Executive Manager, People & Culture

Tim joined the NTAV in late 2023 to lead the People & Culture team in delivering best practice policies, processes and systems ensuring the NTAV is an employer of choice for our staff and volunteers. 


Tim has a Bachelor of Business majoring in HR (Monash) and has led HR teams in a variety of industries including law, health, financial services and telecommunications. 


As a not-for-profit employer, Tim recognises the NTAV’s most important tool in achieving its stated vision and goals is its people. By attracting, developing and retaining our staff we position the NTAV to champion Victoria’s diverse heritage for the benefit of current and future generations.  

Justin Buckley

Executive Manager, Gardens & Landscapes

Justin oversees the management of all NTAV gardens and landscapes across Victoria. He leads the NTAV’s advocacy around natural heritage and environmental values, public open space, significant trees, biodiversity and urban greening. 


Justin joined the NTAV as a qualified gardener and later Head Gardener of Rippon Lea Estate and has held additional roles managing several of our major heritage sites and various conservation projects. 


Justin is passionate about plants, gardens, and the natural environment. His role is focused on protecting and enhancing our green spaces, biodiversity and natural assets in the face of change and promoting the key role these spaces will continue to play in ensuring healthy and vibrant communities into the future. He is also a member of the Victorian committee of Botanic Gardens of Australia and New Zealand (BGANZ) 

Anna Daniow

Manager, Governance & Strategy

Anna joined the NTAV in 2018 as the Executive Assistant to the previous Chief Executive Officer, Simon Ambrose. In less than a year, Anna moved into a newly created Senior Management position as the NTAV’s Executive and Strategic Advisor, before being appointed to her current position. 


Anna completed Bachelor of Fine Arts, majoring in Photography (University of Newcastle), and a Masters (Honours) in Arts Administration, Curating and Cultural Leadership (University of New South Wales). Anna has a history of working in both private and public galleries, and arts and cultural institutions. 


Anna sees the strategic direction and governance of the organisation as a key driving factor in achieving the NTAV’s vision and mission. The NTAV’s new Strategic Plan 2023-2028 is underpinned by four key pillars, Cultural Vitality, Economic Health, Inclusion and Sustainability, which align our activity to our key goals, guiding activity to achieve our strategic aims and affirming NTAV as the state’s premier community-based heritage advocacy organisation. 

Sherredan Maher

Executive Manager, Assets

Sherredan joined the NTAV in 2007 as a volunteer at Rippon Lea at the completion of her studies. After holding various property management roles, in 2018 Sherredan became the Executive Manager, Assets and became responsible for operations at all sites across Victoria. 


Sherredan completed a Bachelor of Arts (La Trobe University), is a graduate of the Melbourne Tourism Leadership Program, and was a participant in the International National Trust Leadership Program.  


Sherredan is dedicated to the responsible stewardship and management of heritage properties. Embracing the NTAV’s ethos of safeguarding our collective past for future generations, Sherredan is deeply invested in ensuring that these invaluable assets remain vibrant hubs of history, education, and community engagement.

Susan Moir

Executive Manager, Commercial

Susan Moir holds the position of Executive Manager, Commercial within the NTAV. Joining the organisation in early 2023, Susan guides focus on strategic planning, business development and fostering client relationships, all to contribute to the organisations financial growth and success.   


Susan completed a Bachelor of Arts (Honours) with a focus on European Studies, History and German Language. Following extensive travels, she embarked on a dynamic career journey within the events industry, spanning over 12 years. Throughout her tenure, Susan specialised in driving financial viability, fostering commercial growth and cultivating strategic partnerships.      


Susan looks at the NTAV properties and landscapes as a vital part of Victorian history and that the commercialisation of these properties will lead to the ability of the NTAV to educate and provide these places for generations to come to enjoy.    


Brook Powell

Executive Manager, Brand & Tourism

Brook joined the NTAV Executive in 2022 to lead the Marketing and Communications team.  


Brook has a Bachelor of Business, Tourism (Southern Cross University) and studied a Masters Marketing (Griffith), and has lead teams across destination marketing, media management, arts and culture production, and the tourism sector. This diversity allows Brook to bring a contemporary, audience aligned, eye to the work of the NTAV. With a background in private consulting, varied not-for-profits and tertiary education Brook is equipped, empathetic and understanding of the stakeholder needs in an organisation as multifaceted as the NTAV. 


Brook has made a conscious choice to work in the not-for-profit sector and is driven by the opportunity to be an active participant in the success of an organisation that has both the history of such important work being done and a future filled with exciting possibilities.   


Brook represents the National Trust on roundtables with Visit Victoria – Attractions, and Victorian Tourism Industry Council. 

Dr Annette Shiell

Executive Manager, Collections & Cultural Projects

The Executive Manager of Collections & Cultural Projects, Dr Annette Shiell joined the NTAV in 2020.  


A qualified historian, museum curator and art educator, Annette has extensive managerial, collections and curatorial experience within the heritage and cultural sectors. She curated major exhibitions for the National Centre for Australian Studies, Monash University and the Australian Racing Museum and is the author of numerous articles and publications including ‘Samples to Showbags: The Creation of an Australian Icon’, Bonzer: Australian Comics 1900 – 1990s and Fundraising, Flirtation and Fancywork: Charity Bazaars in Nineteenth Century Australia.  


Annette is passionate about empowering people and communities to create inclusive projects, which will see the NTAV’s collections, places and stories interrogated and enriched for future generations. 


Annette is a Board Member of the History Council of Victoria and represents the National Trust on Deakin University’s Cultural Heritage and Museum Studies Advisory Board. 

Samantha Westbrooke

Executive Manager, Advocacy & Conservation

Samantha joined the NTAV in her capacity as a Conservation Architect in 2014 and has worked in the Executive Team since 2016. In 2023 she was appointed the Executive Manager, Conservation and Advocacy. 


Samantha is a registered architect with over 25 years experience working in the heritage industry with involvement in all aspects of professional heritage architecture services including work in State and Local Government as well as private practice. 


With over 40 heritage places in their care, Samantha sees the NTAV property portfolio as an important advocacy tool to demonstrate conservation practice, share experiences and provide learning opportunities for a wide audience and for all types of heritage processes. 


Samantha is a member of the Heritage Council Victoria, Local Government Specialist Committee, ACAHUCH Advisory Board, Exhibition Building World Heritage Committee and an International member of ICOMOS.