Administration Team
At Dianella Secondary College, our Senior Leadership Team is dedicated to fostering a supportive, inclusive, and high-achieving college community. Comprising experienced and passionate educators, our leaders work collaboratively to drive the college’s vision, ensuring every student has the opportunity to thrive. They are committed to promoting excellence in teaching, student well-being, and creating an environment where both staff and students are encouraged to reach their full potential. Meet the team behind our college’s success and discover their commitment to shaping the future of our students.
Debra Unwin | Principal
Melissa Grey | Deputy Principal – Operations
Kasun Tennakoon | Deputy Principal – Upper School
Nikki Reilly | Deputy Principal – Lower School
Sherrie Giglia | Manager Corporate Services
Benjamin Retamal | Student Central Coordinator – Upper School
Courtney Peoples | Student Central Coordinator – Lower School
Donna Christophers | Learning Support Coordinator
Jimmy McPhail | Head of Learning Area – Health & Physical Education / The Arts
Kathryn Salisbury | Head of Learning Area – Humanities
Anthony Williams | Head of Learning Area – Science / Mathematics
