Board Members

The Association of Central European Schools is governed by a seven-member Board. Each Board Member represents an ACES Member school, and is elected for a three-year term. The Board Members strive to facilitate the strategic and operational development of the association.

Brett Gray

Board Chair

Brett is the Founder and Head of The Ostrava International School (TOIS), as well as a founding member of ACES. Brett has devoted more than 30 years to teaching and learning in the Czech Republic and led his school to become the first IB Continuum School in the country.

Rosemarie Knoflach

Board Member

Since November 2020 Rosemarie has been Head of School of International School Innsbruck.

Rosemarie has worked as the IB DP coordinator and CAS coordinator at the school from 2014 to 2020. She was responsible for the process of authorizsation at her school.


Andrew Derry

Board Member

Andrew is currently the Director of the International School of Belgrade, Serbia. He has served for 23 years as a school Director, having led five IB schools in Europe, Africa and the U.S, and was one of the original founding Members of ACES in 2013.

In addition to ACES, he has also served on the IB Regional Council for Africa, Middle East and Europe, as well as being an elected member of the IB Heads’ Council.

James Brightman

Board Member

James has been Director of the International School Carinthia (ISC), Austria since its founding in 2013. At that time, ISC launched with 55 students in grades 1-4 and has since grown to 285 students in grades 1-10. During our journey, we have become authorized as an IB PYP school in 2016, an IB MYP school in 2019, and an IB DP school in 2020. Over the years, ISC has benefited greatly from the ACES network for professional development opportunities, regional networking among teachers and leaders.

Jacek Latkowski

Board Member

Jacek has been now teaching for 34 years at university, college and secondary school levels, including 26 years with the IB programme. He is an IB inspector, examiner and workshop leader and for the past 12 years has worked as Vice Principal at The British School Warsaw.

Karsten Plöger

Board Member

After a career in academia – Karsten was a medieval historian before he became a teacher – he joined the international school community in 2010. Before taking up his current post as Head of Secondary School at AMADEUS International School Vienna last year, Karsten served in senior leadership roles in IB World Schools in Switzerland and his home country of Germany.

Richard Begent

Board Member – Treasure

For the past 6 years, Richard has had the privilege of being the Head of Wroclaw International School (WIS), Poland. Wroclaw International School offers both the PYP and MYP and has grown in student membership from 78 students to over 200 in the past 5 years. The school has also moved to a new purpose-built campus and successfully completed its evaluation from the IB in the autumn of 2019.