Senior School

Anna Owen


BSc, GradDipEd, MSc, MBA (candidate)

Anna graduated from The University of Queensland with a Bachelor of Science in 1993. She went on to complete a Masters of Science with Distinction at Curtin University, an intensive management course at Stanford University and is currently completing a Master of Business Administration. She has extensive experience working in executive and senior management positions in schools. She held the position of Deputy at Brisbane Girls Grammar School for five years before commencing at Canberra Girls Grammar School in January 2019.

Julie Jorritsma

Deputy Principal (Head of Senior School)


Julie holds the qualifications of Master of Educational Leadership and Bachelor of Education, and has held a number of leadership positions within schools. Most recently as the Dean of Lateral Learning in a Sydney Anglican girls’ school where she was also acting Head of Teaching and Learning.  Julie has worked as the Head of Social Science, IT, English and Humanities in various schools.  Working internationally at an international school in Hong Kong provided her with a wealth of understanding of the needs of international students and their families. She has also worked within the pre-tertiary sector as the Head of Foundation Studies.  As a Grammarian, she connects personally with the purpose, values and tradition of a CGGS education.

Tara Dunstall

Director (Studies)

BA, LLB (Hons), GradDipLegPrac, GradDipEd

Tara joined CGGS in 2008 to teach legal studies after a career as a Senior Solicitor with the Australian Government Solicitor. In her time at CGGS, Tara has also taught business, commerce and geography. After a brief stint teaching business law at the Canberra Institute of Technology and communications at the Australian Defence Force Academy, Tara returned to CGGS and was appointed the Head of the Geography and Social Sciences Faculty in 2012. Tara acted as Director of Curriculum from April 2015 until she was appointed Director of Studies in October 2015.

Nancy Lee

Director (Academic Administration)


Nancy joined CGGS in 2009 as a Mathematics teacher, and has held the position of Head of Mathematics for several years before joining the Senior Management Team.  She had an early career as a computer programmer for a major pharmaceutical company and then transitioned to secondary mathematics teaching.  Before her arrival at CGGS she spent 10 years teaching Mathematics at a public high school in the USA, taking on the role of IB coordinator and department head.  Her academic qualifications include a Bachelor of Science with a Minor in Mathematics from Penn State University and a Masters of Education from University of Colorado at Boulder.  

Skye Tyler

Director (Students)

BA, MTeach, MCYS and PhD Candidate

Skye graduated from Charles Sturt University in 2001 with a Bachelor of Arts (Communications). Following on from this she completed a Master of Teaching at Sydney University. Prior to joining CGGS she was a History, HSIE teacher and Head of House at a school in Sydney. During this time, she completed her Master of Childhood and Youth Studies at Southern Cross University. Skye is passionate about pastoral care and its links to student wellbeing, she is currently undertaking her PHD at Southern Cross University, focussing on the relationship between pastoral care and teaching and learning.