Meet Our Team

President/Board Chair: Sharron Healy

Sharron was an active member of her three children’s school Parent Clubs for over 20 years, serving as an ordinary member and president at both primary and secondary levels. She also served on school council for over 10 years, as a councillor and president.

Sharron has volunteered with Parents Victoria Inc. for 15 years and is currently the president of Parents Victoria, the Victorian member organisation of ACSSO. Founded in 1925 as the peak body representing the collective views of parents in public education in Victoria, Parents Victoria was also a founding member of ACSSO.

Sharron’s interest in promoting and advocating for public education comes from a desire to see every child in our country having access to a first-class educational experience

Sharron can be contacted via email:

Chief Executive Officer: Dianne Giblin AM,
B.Ed (Adult) Dip Mgmt, Family Engagement Consultant

Di has worked in education in both paid and unpaid capacity for the past 32 years
Di has a passion for education, in particular public education, and the opportunities it affords young people. She has led the ACSSO secretariat since 2011 but has been a significant player in parent activism since 1984 when her eldest child commenced school. She is proud of her four children’s achievements – all successes of public education.
She has held various volunteer roles in the parent movement finishing her P&C career as President of the Federation of Parents and Citizens Associations of NSW.
Di was a founding Director of Public Education Foundation whose board position she held for six years; a founding Director of Primary Ethics Board and also a founding Director of The Parenthood board.
She worked in a paid capacity for the NSW education department in a number of roles across a large area of Sydney. Her roles were all in the area of parent engagement and home-school partnerships including school based community officer, across district Community Development Officer and regional Partnership Officer – all through the Priority Schools Program.
Recognition of her work saw her commended for Meritorious Service to Public Education and Training in 2010. In 2012 Dianne was admitted as a Member in the General Division of the Order of Australia for her service to public education and the community.
Di’s greatest love is her family but coming a close second is her love of music. Whilst an amateur guitar player she likes to spend downtime with it, her grandchildren and her playing her vinyl albums on the new turntable.

Di can be contacted on: 0418 470 604 Email:

Director: Paul Buckley

Paul has a large family with children spanning 3 decades, his eldest graduating from the ANU and a product of Public Education, through to the youngest yet to start early learning, with many in between in both Public and Catholic Education giving Paul a unique and balanced picture of the education spectrum within the ACT.

Paul is a strong advocate of Public Education and the importance of funding it well as the cornerstone of our society. Having a public-school background himself, Paul graduated ANU computer science facility and worked in several major Commonwealth Departments for seven years. He was the Federal Government representative on the ACT Government’s Austouch program and then struck out with his own company, Datatrax, in 1993.

Currently Paul is a parent on two P & C's in Public Schools in Canberra, as well as a Vice President
of the ACT P & C Council.

Director: Natasha Coster

Natasha remembers the P&C as being the hub of the school community when she was growing up. Then when she had a child she joined the Preschool parent group and has been a member of various P&Cs since then.

She stood for election for the NSW P&C Federation and enjoyed helping groups in her electorate. Then she got the chance to take a position on ACSSO, where she enjoys sinking her teeth into policy and representation.

When she’s not ploughing through reports and news articles pertaining to education, she’s getting her 13 year old through high school, cooking, sewing and trawling social media for random “tidbits”.

She also works as a School Crossing Supervisor at the local Primary School where she’s enjoying welcoming all the kids back after NSW's lockdown.

Director: Susan O’Leary

Susan O’Leary combines professional educational qualifications with participation in public education over more than forty years, both as a teacher and parent. A qualified teacher with a Diploma of Teaching (Primary) and a Bachelor of Arts majoring in Legal Studies she has taught in public schools, community education and presented education and training programs in the public sector and for businesses.

Firstly as a teacher in a country infant room, participating in the Disadvantaged Schools’ Programme, then volunteering in schools, Susan has developed an in-depth knowledge of the importance of parent participation in achieving the best outcomes for students.

Susan worked for the Accident Compensation Commission (Workcover) training their people, employers, workers and service providers becoming Manager, Education in 1988. She continued on to her own training and consultancy business, specialising in workplace training and advice.

With the entry of her daughter into kindergarten, Susan joined the kindergarten committee, parent groups and school council in public schools. She was a member of the Executive of Parents’ Victoria from 2010 to 2012.

Company Secretary: John O’Shannassy
M. Laws , M. Ed (Adult Ed), B Business, B Science (Elect Eng),Practitioner’s Certificate in Mediation, Graduate Diploma of Company Secretarial Practice CSA, Advanced Certificate in Arbitration

John is a Principal Lawyer at Australian Corporate Lawyers & Advisors and is directly related to corporate governance where he ensures corporations have corporate governance policy and procedures in place. He has 16 years experience in company secretarial services and designed governance and compliance for organisations and managed the ASIC, Austrac and NSW government compliance issues. John has led small and large teams and departments at various times, including roles as: General Counsel/Company Secretary at the University of Technology Sydney; Company Secretary/General Counsel at Apex; and governance and commercial advisory with Australian Corporate Lawyers & Advisers. In his spare time John enjoys participating in Surf Lifesaving, refereeing Rugby Union and Computer Programming.

Project Officer: Peter Garrigan

Peter became an active participant in the education of young Australians when his eldest child commenced preschool in the early 1990’s. He became a member of the preschool committee quickly became involved in public education at a Territory and national level is a strong supporter of Public Education.

His 4 children, all undertook their education in the Norther Territory where Peter served on School Councils as a Member and Council Chair until his last child finished school. Concurrently he held several positions with the NT Council of Government School Organisations (NTCOGSO), the peak parent body in the NT, including that of President. NTCOGSO recognised his contribution to by granting him life membership.

Peter held a number of positions on the ACSSO Board and was honoured to serve as ACSSO President from 2009 to 2014. In 2016, Peter was awarded ACSSO Life membership.

Peter believes that a strong and vibrant public education is vital to the survival of Australia’s democratic system. The guarantee of access to a free and quality public education should be a right accorded to every child in this country

Administration Officer: Donna Learson

Donna works in our office 15 hours per week and assists with the day to day operations of ACSSO Ltd. Donna joins the team with a wealth of experience in a number of different roles. She is an experienced administration officer, skilled in all areas of office management and customer service.

She has a history of working within family and commercial business and now able to bring her skills to serve the broader community through enhancing public education.



PO BOX 8221,
Werrington County,
NSW, Australia, 2747


0497 042 026 (Monday, Wednesday & Thursday)
0418 470 604 (Monday through to Friday)