Leadership

Mr Calland-Scoble is from the United Kingdom and was appointed as the Director of DIS in 2017. He holds a Masters Degree in educational leadership from Oxford Brookes University, UK and is a graduate of the LSE and University College, London. Mr Calland-Scoble has served in leadership and teaching roles for over 30 years in Europe, Middle East, Asia and South America. His passion in education is leadership development, intercultural learning and student action for global citizenship. 

Andrea Harnisch grew up on the edge of Saxon Switzerland. After completing her vocational training in the field of taxes, she began a course of studies in business administration with a focus on taxes and auditing, graduating as a Diplom-Kauffrau (certified merchant). Afterwards, Mrs Harnisch started her first employment at Arthur Andersen, Steuerberatungs- und Wirtschaftsprüfungsgesellschaft. In 2002 she joined Ernst & Young, also a tax consulting and auditing company. Andrea Harnisch has been working as a Business Manager at DIS since 2006. She is married and has one son and one daughter. Both children enjoy attending DIS with great pleasure.

Ms. Dressler is a dual citizen of the United States and Australia and was appointed Primary Principal/Deputy Director in 2019. She holds a Master's degree in Teaching from Michigan State University, is a COETAIL graduate and has been part of the IB Educators Network since 2005. Beth has served in leadership and teaching roles for over 20 years in the United States, Australia, Asia, and Europe. She is passionate about literacy and language learning, inquiry pedagogy, and developing teacher leaders.

Ms. Jennifer Tickle is from the United Kingdom and was appointed as the Secondary Principal of DIS in 2019. She holds a Masters Degree in educational leadership from Bath University, UK and is a graduate of the University of Manchester and Manchester Metropolitan University. Ms. Tickle has worked in international schools for over 25 years, across South East Asia, Eastern Europe, the Caribbean and South America and has been an IB workshop leader and Principal Examiner.  Her background is as an arts educator and she is committed to developing leadership, critical thinking and service.

Ms. Maria Huong Tran is from Edmonton, Alberta, Canada. She came to DIS in November of 2018 as the Assistant Principal/PYP coordinator. She holds a Bachelors of Education and a Masters of Educational Leadership from the University of Alberta. She has worked in education for over 12 years in leadership and teaching roles. She has a passion for inquiry learning, student agency and play-based learning as well as teacher development. 

Ms. Joyce Larson joined DIS in 2006 as PYP Principal, serving for 8 years before becoming Preschool Coordinator. She started her international school experience in 1998, teaching in Kraków, Poland, and eventually moving to become Wroclaw International School’s first Principal. Originally from the United States, Joyce taught in public schools before moving to Europe. She holds two Bachelor of Arts degrees and a Masters Degree in Educational Administration. As Preschool Coordinator, you will find Joyce also teaching the sport and library classes at the preschool as well as parenting classes to DIS parents. She believes building relationships is foundational to successful education and strongly advocates for developing a nature component in our preschool curriculum. In a fast-changing world, she views communication and problem solving as vital life skills for the world's future adults.