Our Board

Our voluntary Board members bring significant and wide-ranging skills and experience to their roles as Board Directors. Together, they are committed to providing engaging supports for individuals with disability, to achieve their needs and aspirations. They work alongside the Executive Team to provide leadership, strategic direction and good governance.

Warrah Society ACN 000 705 644 is a public company limited by guarantee and its Constitution can be found here.


Steve Malin


Steve Malin joined the Board in 2018 and became Chairman in February 2019. He is the Chair of the Finance Committee and a member of the Property Committee. Steve is a Portfolio Manager and investment research specialist with Vinva Investment Management. He brings significant business, management and finance experience. Steve’s son attends Warrah Specialist School.

David Ghannoum

Board Director 

David joined the Board in 2017 and was the Chairman from June 2018 to February 2019. He is a member of the Finance Committee and Property Committee. David is currently the Regional Managing Director for Multiplex and has overseen the delivery of over 20 construction projects including Chris O’Brien Lifehouse; ANZ Stadium and Wynyard Place, Sydney – to name a few. David sits on the Executive Board of the Urban Taskforce and Master Builders Australia.

Ross King

Board Director 

Ross has had a long association with Warrah. His daughter attended Warrah School and has been a long-time resident of Warrah. She enjoys her time with her peers in Warrah’s Day Service activities. Ross joined the Board in 2012 and is the Chair of the Property Committee. Ross’ background is in civil engineering, as applied to water and recycled water treatment. He worked for various Consultants and Contractors, in Sydney, Melbourne and overseas. During recent years, he has been a consultant in the design and construction of recycled water facilities. He brings his engineering design expertise to property management at Warrah.

Annette Waterson

Board Director

Annette joined the Board in 2017 and is a member of the Finance Committee. Annette has a background in the finance and banking sectors. She has held management and executive positions in the major banks over the past 45 years demonstrating skills in people management and retail banking. Annette is a committed member of the Glenhaven Rotary Club and plays an active role in supporting fundraising activities for Warrah.

Paul Power

Board Director 

Paul is a long serving Board member, having joined the Board in 1996. He started as a biochemist and later trained as a solicitor, becoming a Patent Attorney. Paul’s son attended Warrah School and is a resident of Warrah.

Annet van Kesteren

Board Director 

Annet joined the Board in 2019 and brings more than 20 years professional experience in a variety of disciplines including management, internal audit, financial accounting and accounts payable. Annet is on the board of the Branch of the Anthroposophical Society in Sydney and organises the newsletter and events for the Branch.

John Williams

Board Director 

John joined the Board in 2019. John is the Managing Director of Heyday Electrical and has worked with this company for over 20 years. He brings a background in business strategy, tendering and businesses development, design and engineering, project delivery and financial reporting.

Peter Gurrier-Jones

Board Director 

Peter joined the Board in May 2021. Peter is an educational leader and believes that learning can change everything. He brings experience as a School Principal, an Australian Teaching Fellow and achieved Top 50 in the Global Teaching Prize.