The ASCA Board is responsible for ASCA’s governance and strategy and represents the members. The board has broad experience in school senior management with members selected from principals, retired principals and current school business managers.

Michael Phillips
B.Ec, Dip. Ed, FACEL, OAM

Michael Phillips is the Chairman of the ASCA Board of Directors.

Michael has been a board member since August 2017. He is the former Principal of Ringwood Secondary College and has extensive experience at this level for nearly 25 years. Michael has served as an active member of a number of boards in the education sector and formerly led Ringwood Training.

Michael’s leadership ability has been recognised with a number of leadership awards including the Victorian Outstanding School Leadership Award. He is a recipient of the Medal of the Order of Australia.

Michael is currently the CEO and Director for Phillips Education Services.

Rhonda Warburton
Dip. Bus. Admin., Grad. Dip. Ed. Admin

Rhonda Warburton was appointed to the ASCA Board in 2011.

Rhonda is the Business Development Manager at Oakwood School and Flexible Learning Network. Oakwood Flexible Learning Network caters for students who have disengaged from school. Previously she was Business Manager at Carrum Downs Secondary College, South Oakleigh College and Ardoch College where she has served a total of 35 years.

Rhonda has extensive experience in the management of budgets, asset management, procurement, facilities and business management, OH&S and HR. Rhonda has also been a nominee of the Minister of Education on the Merit Protection Boards since 1996.

Simon REID

Dip.Ed., B.Ed./Maths, M.Ed. (Honours), EMBA

Working across Australia and in Asia Simon has insight and understanding into the complexities of leadership and the ability to adapt to the needs of different communities. His success has been the result of his ability to meld the local interests with informed decisions to shape and manage strategy to provide quality of outcomes and achieve positive results.

With over 30 of diverse leadership experience with strong analytical skills and a demonstrated ability to unit people and achieve results he has established reputation as a skilled communicator; able to synthesize information and deliver complex information to diverse audiences.

Board Member since 2012 in serving in both Victoria and Western Australia.

Nathan Chisholm
B.Ed./Arts; M.Ed; FACEL

Nathan was appointed to the Board in 2015 and brings deep leadership experience to the group. He is an experienced educational leader with over two decades of impact, known for transforming school communities and founding the new Prahran High School in 2018. As Executive Principal, he has led the creation of a future-focused, inner-city vertical school grounded in community, innovation and student voice.

Nathan’s leadership extends nationally through his work in support of groundbreaking QUT research into vertical schools and his advocacy in the profession and media for schools and communities. He holds senior governance roles, including being a nominee of the Minister on the Merit Protection Board since 20123 and as Director on the Boards of ASCA Ltd and AEF.

Nathan was named a National Fellow of the Council of Educational Leaders in 2024.

Mark Glover
Dip Bus Admin, Cert Gov, MBA, MAID

Mark currently holds the position of Director of Business at Trinity Grammar School in Kew, Victoria.

He has worked in both Catholic and Independent Schools for over 25 years including at Strathcona Baptist Girls Grammar School in Canterbury and Genazzano FCJ College in Kew.

He holds responsibilities across all non-academic areas of the School.

He is a past-President and Life member of CEBA (Catholic Education Business Administrators Inc.), served on many state-wide Catholic Education committees and panels, and currently serves as the Chair and National Director of ASBA Ltd (Australian School Bursars Association) and is the former ASBA Victoria State President.

Raymond Wilkinson
B Com, LLB (Hons), Dip.Ed, Dip.FS (FP), FACE

Ray Wilkinson has been a Director of ASCA since 1989 and he served as Chair from 2009 to 2025. Ray has stepped down as the ASCA Chair, however, he continues to serve on the Board as a Director.

Ray has enjoyed a distinguished career in the education sector where he was Principal of a government secondary college in the metropolitan area for eight years.

Following a successful career as a principal, Ray was appointed to the Merit Protection Boards as the full-time Education Department nominee.

The Merit Protection Boards is an independent statutory body established to hear grievances; appeals and reviews from employees of the Department of Education and Early Childhood Development (Victoria).

Ray was the Secondary Principal appointed to the Teacher’s Registration Board for two days each week to assess the qualifications of applicants seeking teacher registration and to register teachers.

Hilary Bland
DipT, MEd, FACEL

Hilary is currently the Principal of The Victorian College of The Arts Secondary School. She has been a member of the Victorian Principal class since 2004.

Before her work at VCASS Hillary has had a range of teaching and leadership roles in schools in Sydney, London and Melbourne. Hilary is involved in the Melbourne and Southbank arts precinct and is committed to student wellbeing and arts education.

Anne-Maree Kliman
DipEd, BEd

Anne-Maree Is currently Executive Principal at Parkville College and former Principal of Tarneit P-9 College.

Anne-Maree become a school principal in Victoria in 2002, has been a member of the Victorian Principals Association Board since 2010 and served as the President of the Victorian Principal Association for 4 years from 2017.

Subsequently she was seconded to the Department of Education to work on Mental Health Reform before returning to a principal role in 2022.

Sharon Barker
BA, GDipED

Sharon Barker is an experienced educational leader with over 30 years in Queensland state schools.

Passionate about educational innovation, she leads with a focus on positive culture, real-world learning, and future-focused design.

As Foundation Principal of Highfields State Secondary College and Fortitude Valley State Secondary College—Queensland’s first vertical school—Sharon has shaped bold, agile, and inclusive learning communities from the ground up.

She contributes to system-wide change as a Director on the Boards of ASCA, AEF and the QLD Secondary Principals’ Association.