Leadership Team

Director - Patricia Baier

Patricia Baier was born in Singapore and grew up and studied in Great Britain. She completed her Post Graduate Certificate in Education at Warwick University, specialising in History and English, and after teaching in England moved to Germany where she taught at the University of Hannover and at a German vocational school. She has been involved in international education for the past 20 years and was the Director of the International School Hannover Region from 2003 to 2016 and Chair of the Association of German International Schools from 2011 to 2015.

Patricia is deeply committed to the programmes of the International Baccalaureate because of their relevance to 21st century learning and their emphasis on preparing open-minded, compassionate and responsible citizens. She strongly believes that an excellent school is one with a strong sense of community, in which everyone is valued and respected for who they are, and which inspires all students to achieve their very best.

Patricia’s husband is German and they have two daughters and a grandchild. In her spare time she enjoys reading, hiking and cycling.

Secondary School Principal - Simon Vanderkelen

Simon is an internationally-minded educator who has enjoyed a diverse career in education, having working in secondary, tertiary and corporate contexts across three continents.

He has a passion for leading learning communities and joined BIS after successfully leading the implementation of the IB Diploma Programme at the Australian International School, Singapore.

Simon is a strong advocate of the International Baccalaureate Programmes, inquiry, life-long learning, community service and host community engagement.

He sees the role of school to be preparation not just for further study but for life and employment. The challenge for schools today is to keep pace with the changes taking place in the world and to prepare students to have the strength of character to have a response to global issues. The IB Middle Years Programme (MYP) and Diploma Programme (DP) are both excellent vehicles for communities to embrace inquiry and look at possible solutions to global issues which can no longer be solved from a traditional single subject lens.

Educated in Melbourne, Australia, Simon speaks English, French and German, as well as conversational Mandarin and Malay.

Primary School Principal - Simon Davidson

This is Simon’s second spell as Primary School Principal at Bonn International School. He was previously Principal from 2004–2008, when he saw BIS move to its current campus, and helped it develop into a leading IB school.

In addition to setting up the International School of Como, Simon has worked as a consultant, supporting International Baccalaureate schools across the globe, and evaluating schools within diverse systems of education. He is a passionate advocate of using accreditation to improve learning, and worked in the United Arab Emirates and Jamaica to set up their school evaluation systems. Simon was also the director of a small K-12 IB school and worked in the UK state system.

Simon is enthusiastic about developing thoughtful and balanced global citizens with a love of learning, who confidently embrace challenge with tenacity and initiative. He is committed to doing this through schools that are dynamic learning communities, focused on rigorous inquiry with a deep vision of what our students can become.

He strongly supports the IB Programmes, and has been involved in the IB Primary Years Programme since 1998. He helped develop its science curriculum. He co-wrote the book ‘Taking the PYP Forward’, and is series editor of the PYP Springboard series.

Simon speaks some German, as well as French, Italian and English. He is delighted to be able to return to BIS, and share its journey as an innovative IB school committed to excellence.

Business Manager - Sabine Schattenberg

Sabine Schattenberg grew up in the Ruhr Valley region of Germany.  She studied Psychology and Pedagogics at the University of Münster and obtained a master’s degree (Dipl.Psych.) in Clinical Psychology.  She subsequently moved to the United States and lived in California, New Mexico and Virginia. She studied Accounting at the University of California in Los Angeles, passed the unified CPA exam with honors and since 2001 is licensed as a Certified Public Accountant in the Commonwealth of Virginia. Sabine worked in leading administrative positions in several software companies in Southern California. In Virginia she worked in accounting firms serving small and medium sized clients.

Sabine and her family moved to Bonn in 2001 where since she has continued her career as the Business Manager at Bonn International School.

She is married to a scientist and they have two grown-up sons. In her leisure time, Sabine enjoys working out with her girlfriends, gardening, reading and, if time allows, travelling and visiting her sons in Spain and The Netherlands.

Head of Student Services and Operations - Jo Junglas

Jo Junglas studied in Sheffield and qualified as a teacher of physical education and social and personal education. For many years Jo worked as a Social Educationalist with disadvantaged children and young adults. During her time working for the City of Meckenheim, Germany, Jo was a member of many Rhein Sieg Kreis committees concerned with social work, sport and young people.

Jo joined Bonn International School as the Extracurricular Sports Coordinator in August 2000. During her time as EC Sports Coordinator Jo developed and grew the EC Programme and engineered BIS membership into both the ISST and NECIS organisations. She was also a founding member and first Head of the GISST organisation. During her time at BIS, Jo has held several positions of responsibility, including PE Subject Leader, CAS Coordinator, Personal and Social Education Coordinator, Head of the MYP Strategic Working Group and Grade 6–8 Pastoral Head.

Jo is passionate about enabling and empowering all students to aspire and work towards reaching their true potential, be it, academic, social or sporting and is a positive example of life long learning. Throughout her time at BIS Jo has continued to be involved in a variety of committees and other learning opportunities and has gained many qualifications, including Clinical and Pastoral Counselling and Excellence in Leadership from the University of London. She also has many coaching and expedition leading qualifications and has organised annual water and mountain based Outdoor Pursuits trips for many years.

Married with two children, she speaks German, plays football for a local German Team and regularly participates in 10K races, half marathons and marathons.

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