Our Staff – Who we are

Who we are


Dr. Kandace Einbeck was born in the US, and has lived at numerous places in Germany and Austria. She holds a Ph.D. in German. She has taught German language, literature and culture for more than 40 years in high schools, universities, the Goethe-Institut, and privately in the US, Germany, Austria and China. She and her cat enjoy singing German songs, reading German novels, and baking and eating Austrian pastries.



Dennis Ward is an educational technologist with over 15 years experience managing online and traditional educational programs for K-16 educators as well as public outreach at the National Center for Atmospheric Research and the National Ecological Observatory Network in Boulder, CO. He has also served as an Adjunct Professor at the University of Denver and the University of Northern Colorado, where he taught courses in cartography, GIS, and geosciences. In addition to being a student, Dennis serves as Registrar of the Boulder School for German Language and Culture, responsible for course scheduling and registration.




Rebecca Haacker is an experienced teacher who has taught German, Spanish and geography at the undergraduate and graduate level in Germany, Central America and in the US. She serves as a board member of the Boulder School for German Language and Culture.
Currently she is the Director of Education and Outreach at the National Center for Atmospheric Research in Boulder, CO, responsible for the center's public outreach and K-12 education activities, leading workforce development programs, and supporting the geoscience university community through faculty training and research sabbaticals. Rebecca has extensive experience in providing students and early career scientists with relevant skills and training to have successful careers in the geosciences. She serves on several education and workforce related national boards, and is a leader in geoscience workforce development, advancement of diversity and promoting best mentoring practices.
In addition to her graduate degree in geography and cultural anthropology from the University of Hamburg, Germany, Rebecca is a certified mediator and has extensive training in employment law, diversity, student mentoring, and counseling.

Dr. Regula Mueller grew up in Basel, Switzerland and came to the US in 2006. She holds a Doctoral Degree in Pharmacy from the University of Basel and works as a Program Director for a large Clinical Research Organization. She has been a board member of the school since January 2017 and is responsible for grant writing and the newsletter.



Anna Ozimek Poisson grew up in the industrial city of Lodz in central Poland. One of her earliest childhood memories is listening to her grandfather’s songs and stories about his youth in Germany. The sound of German Christmas carols and the loss of the beloved grandpa early on were forming experiences for Anna‘s interest in the German language and culture. After high school, Anna moved to the West to study Comparative Literature and USA at the University Duisburg-Essen. After her Magister degree and a translator certification, she headed to Bremerhaven to work in public and media relations for a museum of European emigration history to the US. Some years as a freelance journalist followed, as well as the publication of a book with a series of her articles for the Nordsee-Zeitung: “Von Menschen und Werften, About people and shipyards”. In 2014, she followed her husband to Boulder. Her favorite quote is by one of the most important German reporters, Egon Erwin Kisch: “Nothing is more amazing than the simple truth, nothing is more exotic than our environment, nothing is more imaginative than objectiveness and there is nothing more spectacular in the world than the times we live in!”

Birgit Priester was born and raised in a village near Koblenz, Germany. She graduated 1992 with a teaching degree for elementary and middle school in Germany. She has been working as a teacher for more than 15 years in Germany and in the United States to children and adults. She is a licensed teacher in Germany (elementary and middle school) and Colorado (elementary to high school) and holds a Music Lingua license to teach German through music to children (< 6 years). Teaching is her passion, and she loves to share her knowledge with her students and their families.




Diana Rangl grew up in Wuerzburg Germany where she studied Graphic Design. In the US, Diana studied English and German, as well as Art at the University of New Mexico. She has taught languages for over 25 years. Diana loves working with children as well as adults. Languages, teaching, and Art are her passion. She has taught for the Boulder Valley School District for the last 6 years.
Diana holds degrees in Graphic Design, English and German, and a MA in Art Education. Diana also has a certification for ESL as well as to teach adults with a ABEA certification.


Sabine Silk was born in Mosbach, near Heidelberg, Germany. She obtained a teaching degree for elementary and middle school at the Pädagogische Hochschule Ludwigsburg. Sabine traveled to many places on the globe as a flight attendant for Lufthansa. She taught in elementary and middle schools in Ludwigsburg and Stuttgart. She and her family lived for 9 years in Bahrain (Persian Gulf), where she tutored children and adults in German. In Colorado, Sabine worked in a special-needs school and tutored German privately. Her teaching philosophy is “learning something new is always fun”.




Marion Szilagyi was raised and educated in Germany. Blessed with rewarding careers in Germany and the USA, she is bilingual and loves to share her deep understanding of language, culture, and business. People are her passion – on both sides of the Atlantic. A bilingual German native, former ranked Officer for the German Federal Ministry of Finance, she is teaching with enthusiasm paired with experience. A good combination for what you would like to achieve! Customized German language training is her specialty. In her career as a  private German teacher, she has enjoyed providing Fortune 500 executives and their families with the necessary tools to live and work in Germany, developing and teaching a 6-year on-site customized German program for a Denver global market leader in the solar industry, being part of the Corporate Training Department at Community College of Denver (CCD), and getting young minds excited about speaking German and appreciating the culture.


Pia Zeller grew up in the Swiss countryside near Zürich. At 16, she attended a private boarding school outside of Lausanne for three years where she studied French. She earned a B.A. in French and a Master of Arts in Teaching German from the University of Illinois. She taught French and German for more than 20 years from Preschool to College. In her free time, you can find Pia cooking, baking and gardening. She also loves skiing, backpacking, biking, canoeing and being a Girl Scout leader.




Dr. Barbara Ervens grew up in Essen, in the Ruhr Area, Germany, and came to the US in 2002. She holds a Doctoral Degree in Chemistry from the University Leipzig, Germany. She works as a Research Scientist at the National Oceanic and Atmospheric Administration (NOAA). As the former secretary of the Boulder School for German Language and Culture, she took care of all administrative matters in our school, and answered all questions regarding registrations, classes and anything else. We wish her the best in France!