School Council

Ashley was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, and a daughter who attends Ruyton Girls’ School. 

Chris was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, Kew, and a daughter who attends Ruyton Girls School.

James was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, Kew, and a daughter who attends Ruyton Girls School.

Lachlan was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, Kew, and a daughter who attends Ruyton Girls School.

Professor Don was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, Kew, and a daughter who attends Ruyton Girls School.

Dr Sumone was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, Kew, and a daughter who attends Ruyton Girls School.

Simon was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, Kew, and a daughter who attends Ruyton Girls School.

Leigh was appointed to School Council in July 2018 and commenced in the role of Chair in January 2023. He had previously held the role of School Treasurer and was Chair of the Finance and Risk Committee, Investment Committee and Governance Committee. Ash is a partner at Ernst & Young, with over 25 years of experience assessing and advising on strategy, corporate governance, financial reporting and accounting, risk management and major projects, including not-for-profit organisations. Ashley has two sons; an OTG (2020) and one currently attending Trinity Grammar School, Kew, and a daughter who attends Ruyton Girls School.

Kate was appointed to School Council in August 2019 and is currently Chair of the Governance Committee. She spent her childhood living on school campuses with her father as the Headmaster of Hale School, an independent boys’ school in Perth, and prior to that as Deputy Headmaster of Pembroke School, an independent co-ed school in Adelaide. She is a founding partner of Nightingale Advisors. Kate has two sons; an OTG (2021) and one currently attending Trinity with other extended family. Her brother in law is also an OTG.

Jane Kupsch was appointed to School Council in July 2018. She is a member of the Finance and Risk Committee and the Governance Committee, and has been the coordinator of the Junior School class representatives. Jane is a partner in Kennedys’ commercial dispute resolution team and is a commercial litigation specialist. Her areas of expertise include directors’ duties and governance. She is also Chairperson of the Law Institute of Victoria Commercial Litigation Advisory Committee. Jane has two sons who currently attend Trinity Grammar School, Kew.

Thushy was appointed to School Council in November 2023 and is a member of the Finance and Risk Committee. With a distinguished career spanning over 16 years in professional finance, she has garnered extensive expertise across diverse industries, including energy, retail, entertainment, construction, and fin tech. In her capacity as Head of Finance, Thushy specialises in financial reporting, accounting, finance transformation, corporate governance, and compliance. Thushy has two sons and a daughter, one of whom is currently attending Trinity Grammar School, Kew.

David was appointed to School Council in August 2019 and is a member of the Finance and Risk Committee. He leads Mercer’s Board and Executive Remuneration Advisory consulting service line for the Pacific region. Mr Yong’s prior educational experience includes being the President and Treasurer of Glendal Primary School Council and a member of Suzuki Music Victoria’s Council. He has a son who currently attends Trinity Grammar School, Kew.