
Will Tragert
Will has worked at BIS for three years and been working overseas for nearly 9 years. Originally from the United States, Will has worked in China and currently lives in Bonn with his wife, Laura (a Learning Support teacher) and his three children. Will is passionate about helping international schools develop cultures where all students are welcome and able to acquire a meaningful education.

Helle Moller-Sorensen
Helle has worked at BIS since 2015, first as a Secondary Learning Support Teacher and since February 2020 as the Head of Learning Support. Before that she was a Language Acquisition and Educational Support Teacher in a high school in Denmark. She is passionate about a strength-based and individualized approach to teaching and learning and loves spending time hiking and training her golden retriever as a therapy dog.

Kathi Heindl
Kathi has worked at BIS for three years as Administrative Assistant. Before coming to BIS, she has worked in the chemical industry for over 12 years. Kathi grew up in the Bonn area and likes being outdoors, either while running or horseback riding. She is passionate about making school the place you feel welcome and appreciated at.