Senior Leadership Team

We are proud to introduce our team of teachers and leaders who are themselves life-long learners. Our teachers constantly explore and develop their skills as education professionals in order to help Bialik students develop to their full potential.

  • Rick McLeod
  • David Simmelmann
  • Karen Friede
  • Daphne Gaddie
  • Amanda Castelan-Starr
  • Michaela Strang
  • Jeremy Stowe-Lindner
  • Gary Velleman

Jeremy Stowe-Lindner


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Jeremy leads the operational and strategic direction of the College, ensuring the Bialik students are high-achieving, nurtured, well-rounded and communally responsible.

Gary Velleman

Vice Principal, Head of Senior School

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Gary is responsible for the running of all aspects of the Senior School in addition to deputising for Principal, major project management and whole school logistical opportunities surrounding staffing and timetabling.

Michaela Strang

Assistant Principal & Director of Learning

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Michaela leads and manages the development, implementation and evaluation of the schools’ curriculum, its assessment and quality control and the professional development of staff, to enable its successful implementation. Michaela is in charge of the Cultures of Thinking pedagogy by making thinking visible and fostering a thinking disposition in our students.

Amanda Castelan-Starr

Assistant Principal & Director of Jewish Life

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Amanda oversees the Jewish and Zionist ethos of the College. The office of Jewish Life combines the Hebrew, Jewish Studies and Informal Jewish Education departments, ensuring a rich tapestry of Jewish life is afforded to all students.

Daphne Gaddie

Head of the Early Learning Centre (ELC)

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Daphne is responsible for the leadership of the ELC. She oversees all aspects of the educational program, manages staff, supervises the running of the day to day operation, and liaises with families.

Karen Friede

Head of Primary School

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Karen is Head of the Primary School and has a passion for nurturing curiosity and open-mindedness in all, while fostering intellectual rigour in an inclusive and flexible environment.

David Simmelmann

Director of Business

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David is responsible for providing strategic advice and management of the school’s finances, property, facilities and security as well as overseeing the school’s risk management.

Rick McLeod

Activities Manager

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Rick oversees the administration of non-academic operations across all schools. This includes the school’s calendar, excursions and incursions, camps, co-curricular programs, The Shuk and management of the Gringlas Sports Centre, to name a few.