Our Team, Our Opening Hours and How to Reach Us

Christian Rütti is a bilingual Swiss citizen who was born and raised in Johannesburg, South Africa and moved to Switzerland in 2001.

Before stepping into the role of principal at SIS Pfäffikon-Schwyz in August 2020, he was principal of a private school in Basel for two years. Prior to that, also in Basel, he was managing director and personnel manager of a language school for adults for several years. An additional 12 years of teaching experience before that, both in Switzerland and in South Africa, round off his professional experience within the field of education. Christian Rütti’s qualifications include a bachelor’s degree in education and a Swiss diploma in the field of personnel management.

His professional aim has always been to do everything possible to motivate and guide students and staff alike to achieve their full potential. He is a firm believer in encouraging students to nurture a healthy and balanced lifestyle and a positive attitude towards learning and life in general.

Christian Rütti is an avid cyclist and outdoor enthusiast who loves to explore nature with his family throughout the seasons. He enjoys working and interacting with people from various cultures.

Marian Carigiet is a bilingual (Spanish-German) team leader who grew up in Switzerland and completed a Swiss education. In 2008, she successfully completed her bachelor's degree as a primary school teacher in Zug and expanded her qualifications in 2013 with a master's degree in special education at the University of Applied Sciences for Special Needs Education (HfH) in Zurich.

Her professional career has taken her into both the public and private education sectors. Particularly noteworthy is her experience as head of a private school, where she was not only responsible for school management, but also successfully set up and implemented the entire special education department. This wide-ranging expertise enables her to support the team and pupils at SIS Pfäffikon-Schwyz with great commitment and specialist knowledge.

Her professional goal is to create a learning and motivating environment in which both children and staff can develop and reach their full potential. She places great importance on providing each child with individualized support and creating a positive learning environment that contributes to personal and academic development.

In her free time, Marian Carigiet is a passionate traveler. Together with her family, she enjoys exploring foreign countries and cultures to broaden her horizons. Discovering new places and getting to know people from different cultures enriches her view of the world and inspires her in her everyday professional life.

Balz Weber comes from Switzerland and grew up and went to school in Biel/Bienne and the Zürich Highlands. He completed his training as a college teacher of French and Spanish at the University of Zürich in 1991.

After ten years of teaching at public high schools, he spent a few years in Thailand with his family and taught at the Swiss school there. In 2002, he played a key role as a founding member in setting up the newly founded college in Menzingen in the canton of Zug. After many years in Menzingen, Balz Weber moved to Madrid to teach at the Swiss School where he was also head of Secondary I and II. Since August 2023, he has been head of secondary school and college at SIS Pfäffikon-Schwyz.

Balz Weber is married to an Italian woman and has three grown-up sons who grew up bilingual (Italian and German). He is very motivated to help set up the newly opened bilingual college at SIS Pfäffikon-Schwyz. He is also looking forward to getting to know all the students. It is of crucial importance to him that the teachers succeed in maintaining the motivation of the students until the end of their school careers and in promoting not only their professional but also their personal and social skills.

Helena Klementz grew up bilingually (German - Russian) in Kazakhstan and southern Germany. Since 2020 she has lived in Zurich with her husband and twin daughters.

She studied pedagogy, German studies and biology for higher education at the University of Konstanz. In December 2023, Helena Klementz completed her master's degree in "School Management and Quality Development" at the Christian Albrechts University of Kiel with distinction. She has been working as a high school teacher since 2013. At first, she worked near Tübingen at a general secondary school and then at a German IB school in Santiago (Chile). She taught biology there, mainly in the IB upper school, attended IBO training courses and thus gained valuable experience in the field of the IB. In addition, she was responsible for advising IB students on their studies.

Helena Klementz has been working at SIS Pfäffikon-Schwyz since August 2023 and teaches German at secondary level, in the Matura and in the IB, with a focus on a student-oriented teaching and learning concept according to Pestalozzi ("Head, heart and hand"). In February 2024, she took over the position of IB Coordinator.