







Our Executive Leadership Team guides the strategic direction of the School and ensures that every student is supported to learn, grow and flourish. With deep experience across education, wellbeing, boarding and operations, they work together to uphold our values and shape a vibrant, future-focused School community.

Matthew O’Brien is the Principal and CEO of Bunbury Cathedral Grammar School, a position he has held since 2021. He focuses on strategic planning, educational technology, and school expansion. He previously served as the school’s Head of Secondary, bringing over 20 years of teaching experience
Principal & CEO

Yale Bolto has served as Chief Financial Officer and Company Secretary at Bunbury Cathedral Grammar School since 2021. He oversees a diverse portfolio including Finance, IT, Human Resources, Operations, Marketing and Enrolments. In this role, he contributes to the school’s strategic direction, financial sustainability, and operational effectiveness.
Chief Financial Officer

Kathy Chiera joined Bunbury Cathedral Grammar School as a Science Teacher in 1999. She was appointed Head of the Science Faculty in 2004 before moving into the role of Deputy Head (Academic) in 2011. In 2021, Kathy was appointed Deputy Principal and Head of Secondary. Kathy leads the Secondary School with a strong focus on excellence in teaching and learning, staff development, and student wellbeing. She also contributes to whole-school strategic planning and oversees international enrolments. An experienced and passionate educator, Kathy continues to teach and is committed to supporting students as they navigate the opportunities and challenges of their secondary school years.
Deputy Principal and Head of Secondary

Stephen first moved to Bunbury Cathedral Grammar School in 2024 as Deputy Head of Primary (Wellbeing).
Head of Primary
Leadership begins with our students. Whether taking on formal roles or stepping up in everyday moments, our student leaders model service, initiative and care for their peers. From Year 7 onwards, students engage with leadership through House activities, service learning, Round Square opportunities, and mentoring.
Our School Captains, House Captains and Student Executive represent the wider student body and help shape a positive, vibrant and inclusive school culture.

Leeuwin is a motivated Year 12 student, he values strong friendships and enjoys the school’s woodwork facilities. He is passionate about service and improving systems, bringing an open-minded leadership style with the ability to turn ideas into action. Outside school, he enjoys surfing, fishing, surf lifesaving, boating, and going to the gym.
School Captain

Indi is a well-rounded student who believes in diversity, equality, and community spirit. While aiming to excel in her ATAR studies, Indi also aspires to be a role model making positive change at Grammar. She values spending time with her loved ones and staying active in the netball community.
School Captain

Eedi enjoys learning, particularly in French and Chemistry, and values time spent with friends. She is organised and driven, committed to creating meaningful, positive change led by students for the school while continuing to grow through expanding her knowledge and personal interests.
Student Chairperson

Emily comes from the inland town of Katanning. She is passionate about making the lives and experiences of all boarders better, from the little things, like teaching new boarders how to tie their tie to the bigger picture of helping with homesickness.
Head Boarder
The Board of Governors provides strong governance, wise stewardship, and long-term strategic oversight for Bunbury Cathedral Grammar School. Comprised of volunteers drawn from diverse professional, community, and alumni backgrounds, Board members bring expertise, integrity, and a shared commitment to ensuring the School continues to thrive now and into the future.

Maria Cavallo is a former student of Bunbury Cathedral Grammar School, a current parent and a Chartered Accountant with more than 20 years of experience in audit, governance and financial reporting. She joined AMD Chartered Accountants as a graduate auditor in 2001 and progressed to Partner in 2012. Maria has extensive experience across a diverse range of sectors, including local government, education, financial services, mining and not-for-profit organisations. A Registered Company Auditor and member of several professional associations, Maria is recognised for her expertise in audit, risk management, compliance and organisational leadership. She is passionate about strong governance, community service and developing future leaders. Deeply committed to her community, Maria serves on several boards and committees. As Chair of the Bunbury Cathedral Grammar School Board, she combines her professional expertise with a lifelong connection to the School as an alumni, parent and advocate for its mission and values.
Chair

Craige is an educator with more than 40 years of experience in the public education system, including 15 years as a school leader and seven years managing education district systems and operations. He has specific interest in school management and planning, high level student performance and the vocational education sector.
Vice Chair

Andrew Kirke is a Bunbury GP and academic. He heads the Rural Clinical School of Western Australia which trains medical students from the three WA medical schools in rural medicine. Andrew and his wife Clare have had four children at Bunbury Cathedral Grammar School, the last is completing year 12 in 2026.
Board Member

Angela is a lawyer with 19 years of experience working in-house in government. In addition to her legal skills, she brings to the Board her experience in assessing risk and implementing strategic policy, as well as a strong commitment to public service.
Board Member

The Very Revd Darryl Cotton is the Anglican Dean of Bunbury and a committed leader in the life of the Church through his ministry at St. Boniface Anglican Cathedral. He holds a Bachelor of Theology and a Bachelor of Divinity (cum laude) from Rhodes University and has served on the Board of Governors since 2016.
Board Member

Dr Jacinta Cover is a specialist general surgeon working in the Southwest community for over 10 years. She is the Medical Codirector for Surgical, Maternity and Paediatric services at Bunbury Hospital. Her interest in education has led her to undertake a Masters of Health Professional Education. Her 4 sons attend BCGS.
Board Member

Jane Whiddon (née Lishman) was a BCGS Foundation Student in 1972. After a career as a Trade Commissioner she has spent the last 15years in the NFP sector, focusing on childrens' health and education. Jane runs a Family Investment Office and is a mother as well as a proud daughter of the school's founders.
Board Member