AILA Staff

AILA’s hardworking team deliver member services, administer continuing professional development, communicate the work of members to members and the wider community, and implement directives from National Council.

CEO Tim Arnold leads the National Office team in Canberra and the State Managers around the country.

Tim Arnold, CEO

An accomplished business executive with experience in the sport, not-for-profit, government and business sectors, Tim joined AILA in September 2017. Having held several senior management positions across national organisations previously, his focus will be on working with the Board to review the strategic direction of AILA, develop a communications strategy and review the membership programs. Tim will work to drive the profile and advocacy priorities of AILA and provide leadership to the network of staff across the country.

Prior to working with AILA, Tim spent over a decade in the sports industry working in stakeholder engagement, membership, workforce development, government relations and commercial programs, most recently working as Acting Chief Executive Officer of Touch Football Australia, one of the largest community based sports in the country.

Georgina Scriha, National Manager, Events & Partners

Georgina graduated from Griffith University with a Bachelor of Arts/Bachelor of Commerce and has over 12 years experience working in membership associations. Her past positions at the Taxation Institute of Australia and the Royal Australian College of General Practitioners saw her focus on member engagement, events, education and sponsorship. Georgina grew up in the regional Queensland town of Mackay before relocating to Brisbane. She is a mum to two very happy, active little boys.

Catherine Horner National Manager, Finance

Catherine has been a Chartered Accountant for more than 12 years. After completing a double degree in Commerce and Economics at ANU, she worked in tax and audit for firms in Sydney and Melbourne before travelling overseas. Returning to Canberra, she joined the not-for-profit sector and held finance and compliance roles with Greening Australia and the Australian Council for International Development.

Lucy Sheaves, Executive Officer

Lucy started at AILA as a graphic design intern during her double degree of Graphic Design and Communication in Advertising at UC. Since graduation, she has moved to a full-time position to support the Board, committees, and accreditation program, but still enjoys occasional graphic design projects. Loves dogs and has questionable fashion sense.

Tannelle Leathley, Finance, Membership and Admin Coordinator

Tannelle has spent the past 9 years working in the not-for profit sector. She has enjoyed working in various departments at the Royal Australian College of General Practitioners, giving her experience with marketing and events, accreditation, membership and CPD. Tannelle has two cheeky little monkeys and they spend their spare time exploring the outdoors together. 

Tessa Faucher, NSW State Manager

Originally from Paris, France, Tessa has been calling Australia home for the last 15 years. She brings many years’ experience having worked in account management, sales, marketing and client services roles here and overseas. Raised in a creative family with a passion for Street Art, she looks forward to immersing herself in the Australian landscape architecture profession and adding a touch of creativity to the NSW Chapter and its events. Tessa’s favourite place to retreat and relax with her young family is her home along the Hawkesbury river.  She graduated from University Rene Descartes, Paris with a bachelor’s degree in Law.



Martha Delfas - VIC State Manager

Martha Delfas is an all-round marketing professional with over 20 years experience in public relations, event management and sponsorship. She has held national senior roles in both corporate and not-for profit sectors at Kmart, Myer and Cancer Council Australia. Her consultative business style has been sought by organisations such the NSW Department of Family and Community Services where she created and successfully negotiated a growing portfolio of sponsors that included Woolworths, News Corporation, Commonwealth Bank and Harvey Norman. Having returned from Sydney to Melbourne, Martha’s strong interest in best practice sponsorship and special events have proven a great asset for building and nurturing AILA’s network and partners in Victoria.

Sally Bolton, SA State Manager

Sally completed a Bachelor of Architecture at The University of Adelaide. Her career has included practicing as an architect and also working to support the design professions in advocacy, professional development and member engagement roles, most recently at the Australian Institute of Architects in SA. 

Carmen Williams, WA State Manager

Carmen has been a Marketing and Events Manager for over 20 years. She has a passion for Marketing and Development in the not for profit sector, she delivered the National Awards, competitions and prizes for the AIA for nearly 3 years and has worked at Cancer Council and Playgroup WA in Perth. She has a Bachelor of Commerce with a double major in Marketing and Tourism Management. She loves spending time outdoors with her young family and enjoys travelling both in Australia and overseas.

Georgiana Love, NSW Communications and Marketing Coordinator

Georgiana graduated from USYD with a Bachelor in Japanese Language and has since worked in Japan teaching English, as well as having experience in office management, event coordination, and communications. Her most recent roles have been in the areas of events and partnership engagement, and she is enjoying applying these skills to the field of landscape architecture with AILA. In 2019, she is hoping to only improve on making the NSW event calendar bigger and better than 2018! She is a mum of 2 and enjoys spending time with her young family in Sydney.


Marnie Bignell - VIC Membership and Events Coordinator

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