Barry Dequanne is currently serving as the Director of the International School of Zug and Luzern (ISZL). Barry has more than twenty-five years of international administrative and teaching experience, including work at schools in the Kingdom of Swaziland, the Lincoln School in Buenos Aires, Argentina, and the American School of Sao Paulo (Graded), Brazil, and Brasilia. His academic background includes studies in mathematical physics, computer science, education, and leadership. Barry has also served as the President of the Board of Directors of the Association of American Schools in South America (AASSA) and the President of the Association of American Schools in Brazil (AASB). He is currently serving as a member of the Association for the Advancement of International Education (AAIE) Board of Trustees and the TIE Online Advisory Board, in addition to working as a consultant and facilitator at international schools in the areas of strategic planning and governance.

His areas of interest include school improvement, leadership, governance, teacher professional development, assessment, and program and policy development.