Leadership Team

Kathleen Naglee, the Head of School at the International School in Helsinki, is an award-winning international teacher and educational leader. For the past 28 years she has championed progressive pedagogical practices, diversity and creativity. Kathleen serves as a keynote speaker for various business and educational organizations, with recent topics on leadership, vision, sustainability and internationalism. She serves as the Chair of the Board for the Central and Eastern European Schools Association (CEESA). She has recently been appointed as a Commissioner for the New England Association of Schools and Colleges.

Ben Thrash is currently in his third year as the Deputy Head of School. Ben spent the previous ten years as Principal and Assistant Head of School at two progressive independent schools in New England, USA. He has been an IB school leader and teacher in the oldest US Montessori school and a large international school in Warsaw, Poland. Ben is American and began teaching at-risk youth in NH, CA, and RI before earning a Masters degree in teaching science from Brown University and in educational leadership from Michigan State University. Ben is married to Rachael who teaches English at ISH. They also have two children who attend ISH.

Jenni Katz-Miller has worked at ISH since beginning of 2012. She started as Accounts Manager and was later promoted to the role of Business Manager. She studied Accounting and Business Law in Helsinki School of Economics (now Aalto University) and graduated with her Master’s degree. Before ISH, she worked for a consulting company, in the areas of audit, tax and outsourcing services. At ISH Ms. Katz-Miller leads the Business and Facilities Teams. Jenni is married with four children. She is currently on maternity leave.  Our current business manager is Bronwen Scott.

Minna Tammivuori-Piraux is currently the Upper School Assistant Principal at the International School of Helsinki. She joined ISH in 2002 after having worked in various Finnish schools as French and German teacher. At ISH Minna has been teaching French in PYP, MYP and DP. In addition to her teaching role, she has undertaken different leadership roles as Personal Project Coordinator, Language Acquisition Subject Area leader, MYP Coordinator and Occupational Health and Safety Officer. Minna has a keen interest in supporting students’ individual learning process as well as building strategies for their independent learning. In her spare time, Minna enjoys exercising, reading and spending time with family and friends. Her husband, Olivier, works also at the ISH as French teacher and they have a daughter, who attends ISH.

Sharyn Skrtic is the Lower School Assistant Principal and PYP Coordinator. She joined ISH in 2018 after having worked in international schools in Singapore, Hong Kong, Germany and the United States. Sharyn is an IB PYP Workshop Leader, Visiting Team Member and Reader. She serves on Accreditation Visiting Teams for IB, WASC and CIS. Professional Development, both giving and receiving, is a major part of her teaching practice. She has presented her teaching practice at conferences around the world, including AGIS in Germany, 21st Century Learning in Hong Kong and the IB Asia Pacific Conference in Macau. Her professional blog has been published on the IB Sharing PYP Practice Blog. Sharyn joins ISH with her husband, Colin Gallagher.