Clarence began his teaching career in 1978 and joined ACG Education Group as Principal of ACG Junior College (now ACG Parnell College) in 1999. He became the founding and Executive Principal of ACG Strathallan in 2001, creating a school widely reputed for its academic achievement and personal development for all students.
Clarence was responsible for the merger of the two ACG joint venture schools in Vietnam to form the Australian International School (AIS), and he took up the role of General Director of AIS in 2013. In 2016 he was appointed CEO of Schools & Early Learning, overseeing all of ACG Schools and Early Learning Centres, with particular focus on academic quality management. Clarence brings to this role his extensive curricula experience in both Cambridge International Examinations and International Baccalaureate.
Clarence has a Bachelor of Science in Mathematics from Waikato University.