Faculty

Yvonne Aust

Fast Track Program Coordinator
Yvonne holds an MA in Education & Sociology from Heidelberg University. She was a Teacher and Coordinator of the English program at the German Embassy School in Beijing, and was Director of Project Development at a New Hampshire language school. She now teaches German as a Second Language in the Fast Track program at GISB.
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Eric Bartolotti

After School Program Teacher
Eric holds an MA from the Magdeburg-Stendal University of Applied Sciences. He is fluent in German, English, and Arabic. When he isn't teaching, he is probably swimming, songwriting, or designing games. He teaches in the After School Program at GISB.
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Becca Blackelari

College and Career Counselor
Becca has a career background in university admission and has chosen to move to the high school side as she is more interested in the students' journey. She speaks English, Spanish, and ASL, and was born and raised in Boston where her family owns a local bakery. You'll often find her there when not at school.
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Sabrina Blair

English Teacher MS/US
Sabrina joined GISB in 2010 and has taught English in private and public middle and high schools for over 25 years. Born in the U.S. to Austrian parents, GISB is a natural fit and a welcome bridge between her family's cultural history and her present teaching career. She is a teacher representative and the grade 10 teacher.
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Charlotte Cane

Director of Co-Curricular Programs
617-783-2600 x16
Charlotte studied History with a minor in German Language at Boston University. She has been part of GISB since 2010 and coordinates the After School Programs (ASP), Ski Week and vacation camps.
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Adele Champion-de-Crespigny

After School Program Teacher
Adele is an after school teacher teaching art, science, and dance. She currently studies Elementary Education at Lesley University. Before GISB, Adele was an after school teacher in California, teaching art, science and creative play. When she is not teaching Adele is in school, dancing, or spending time with friends.
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Dineen Farley

Art Teacher
Dineen is a passionate art educator teaching students to be creative thinkers and confident artistic individuals. She has a BA from Hunter College in New York City and completed her graduate work at Massachusetts College of Liberal Arts. Prior to GISB, she taught for three years at the American School in Rome, Italy.
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Bindy Fleischman

English Teacher ES
Bindy is the MA State Ambassador for the 75-member-country International Board on Books for Young People and Chair of the annual Outstanding International Books List committee. She has done Children's Lit projects with Harvard, Tufts, BPL and more. She loves to connect children's books with Museum Education.
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Anette Freiberger

After School Program Teacher
Anette is an ASP teacher from Vienna, Austria. She holds a BA in Business, Economics and Social Sciences and a MA in Organizational & Human Resources Development. With this background she brings more than six years of experience in working with people. Anette loves to explore new places, cultures and do all kinds of sports.
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Uta Fuchs

Music Teacher ES
Uta holds a Master's in History from the Goethe University of Frankfurt and qualified as Therapeutic & Special Needs Teacher in Frankfurt and at the Johannes Gutenberg University Mainz. She has taught in Germany and the US. Uta joined GISB in 2002 and teaches Music in the Elementary School and History in the Upper School.
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Benjamin Gerson

Head of Spanish Department
Mr. Gerson has both degrees in international business and a Masters degree in secondary education and Spanish. He has taught Spanish for over 10 years and has been at GISB since 2014. He speaks English, Spanish, and Hebrew. Mr. Gerson enjoys reading, traveling, and cooking and plays the piano and accordion.
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Tara Gildea

English Teacher ES/MS
Tara teaches English in Grades 1–6. She received her Reading Specialist certification from MGH's Institute of Health Professions and MAs from Tufts University and Graduate Institute of International Studies in Geneva. She has lived in the US, Ireland, France, Switzerland, the Democratic Republic of Congo and Canada.
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Jason Goldman

After School Program Teacher
Jason is a teacher at the After School Program. He graduated from Vassar College in 2018 with majors in Sociology and German, and spent last year doing a Fulbright scholarship teaching English in a Realschule in Montabaur in Germany. He loves singing, playing piano, traveling, and reading.
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Julia Holt

Teacher for German as a Foreign Language
Julia was born and raised in Germany and studied at the University in Bamberg. She works at the Lower Campus After School Program, teaches DAZ for Vorschule and likes to spend her free time with her family, friends and playing tennis.
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Silvia Hug-Mösinger

Head of Athletics Department
Silvia holds a Bachelor’s in Human Performance and Fitness from UMass Boston and a Masters in Education from Boston University. She joined GISB as a PE Teacher and Head of Sport in 2009 and teaches grades 1-6. Silvia is also Coordinator for sport programs outside of GISB.
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Ludger Jägersküpper

Assistant Head of School
Ludger has taught in the Middle and Upper School at GISB since 2015. He holds a Masters in History, Sports and Biology from the Albert Ludwig University of Freiburg as well as a Masters in World History from the University of Canterbury, New Zealand. Ludger also coaches volleyball at GISB.
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Sati Karakütük

Early Education Teacher
Sati was born and raised in Heidelberg, and has lived in France, Turkey, and now Boston. She is fluent in German, Turkish, English, and French. She earned her BA in Early Childhood Education in Freiburg, and will teach Preschool at GISB. In her free time she loves to dance, play volleyball, travel and read.
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Lisa Korske

Early Education Teacher
Lisa was born and raised in Germany and studied Physical Education and English at the University of Koblenz. She moved to New England in May 2018. In her free time she loves to travel, cook and bake, photography and outdoor activities.
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Amy Kremer

Head of English Department
Amy gained her Bachelor’s degree from Augustana College, IL and went on to earn her Juris Doctor degree from the University of Iowa, and Master’s degree in Elementary Education at Lesley University. She previously taught in the Arlington Public Schools and at Lesley Ellis School in Arlington. Amy joined GISB in 2015.
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Safiya Kurzweg

After School Program Teacher
Safiya is an ASP Teacher and was born and raised in Hannover, Germany. She graduated with a BA in English Literature and Creative Writing from London Metropolitan University before she moved to the Boston area. In her free time she enjoys to read and write, spend time outdoors and travel whenever possible.
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Henriette Lehmann

Classroom Teacher ES
Henriette was born in Germany and holds a degree in Elementary Education. She has worked in elementary schools for eight years and spent the last three years teaching at the Deutsche Schule Seoul International in Korea. She loves traveling, exploring new cultures and trying out all kinds of food.
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Rahel Lehner

Early Education Teacher
Rahel was born and raised in Switzerland and studied Primary School Education at the University of Education in Zurich. She loves spending her free time outdoors with hiking, running, biking and skiing.
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Catharina Luderer

Head of Modern Languages Department
Catharina was born in Germany, and has taught in France, England, Australia and Germany before moving to Boston. She studied at the University of Münster, and teaches English, French and Ethics for grades 5 – 12 at GISB. She loves traveling, rowing, running, and meeting new people.
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Jonas Lühmann

After School Program Teacher
Jonas joins the ASP team from Berlin, Germany, where he last worked in an elementary school in all-day care. He studied Educational Science in Magdeburg, Hamburg and Savannah. He enjoys sports, reading, music, film, coffee and good conversations.
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Waltraud Lütjohann

Early Education Teacher
Waltraud joins the GISB teaching team with over 28 years of experience teaching Preschool. Born in Germany, she has lived in Bahrain, Uganda, Romain, Mali, and New England! She loves to travel, cook, read and spend time at the ocean.
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Anna Mayer

English Teacher MS
Anna was born in Germany and lived in the UK for three years. She is fluent in German, English and French and teaches in our English Department. Anna loves to travel, debate politics, read, visit museums, and cook.
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Martha Michalec

Classroom Teacher ES
Martha was born in Germany and lived in Spain (Ibiza and Madrid) for 5 years, the UK for 8 years (Bath and London) and now lives in the United States. She speaks English, German and Spanish and teaches in the Elementary School. Martha joined GISB in 2013.
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Ryan O'Beirne

After School Program Teacher

Dunja Pechstein

Early Education Music Teacher
Dunja started teaching music at GISB in 2004. She is the founder of “Musikgarten in Boston", an early childhood music program in German and received her bachelor in vocal pedagogy and masters in vocal performance from the Musikhochschule Detmold in Germany. Dunja loves being outdoors with her family and friends.
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Clotilde Raemy-Gardner

French Teacher MS/US
Clotilde has been teaching French at GISB since 2004 and speaks German, Swiss German, French and English. She holds a Bachelor’s degree in French and German and has lived in Switzerland and the United States.
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Hannah Rafferty

After School Program Teacher
Hannah was born and raised in Massachusetts, and lived in Germany for the past six years. She studied Psychology and Studio Art, and brings five years of teaching experience. When she isn't teaching in our Preschool and Kindergarten, she and enjoys traveling, going to the ocean, bouldering, and running marathons.
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Tobias Rave

Head of Science Department
Tobias was born in the Netherlands and graduated with a degree in mathematics and physics from the University of Freiburg. He did fundamental research in elementary particle physics at CERN for three and a half years. While working at a Franco-German school in Freiburg, he was a jury member of "Jugend forscht” for physics.
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Anke Roost

Elementary School Coordinator
Anke is from Hamburg but has also lived in Berlin, Braunschweig and near Stuttgart. She studied Education for Children in Leipzig as well as German, mathematics, history and politics at the TU in Braunschweig. Anke has a labrador called Lola. In her free time she reads, likes to watch ball sports and play handball.
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Lea Rossu

School Counselor
Lea holds a Master's in Clinical Mental Health Counseling. She speaks English and Greek, and is pleased to join GISB as School Counselor.
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Anneke Sallis

After School Program Teacher
A 2015 Graduate from GISB, Anneke is working as a teacher in the After School Program and will finish her degree in Psychology from Smith college in January 2021. She has lived in Germany, the United States, Switzerland and the Netherlands and speaks German, English, and Spanish.
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Lauren Sallis

Co-Director Early Education
Lauren has lived in the US, Germany, Holland, Switzerland, Belgium, France and Italy. She was the recipient of a Fulbright Research Grant and has lectured on Early Language Learning and English at the University of Education, Freiburg. Lauren has been at GISB since 2010 and teaches in the Preschool and Kindergarten.
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Julia Schlegel

Classroom Teacher ES
Julia comes from Germany and holds a degree in Elementary Education. She has six years of teaching experience. At GISB, she teaches grade 3/4. In her free time, Julia enjoys reading, baking and exploring the outdoors with her dog.
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Alexandra Seifried

Classroom Teacher ES
Alexandra grew up in Konstanz, Germany and has also lived in Switzerland and South Africa. Volunteering in a school in South Africa influenced her to become a teacher. She majored in Elementary School Education and Art at the Zurich University of Teacher Education. Alexandra speaks German, English, and French.
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Regine Shemroske

Music Teacher
Ms. Shemroske holds a master’s degree in Secondary Education, an Elementary Music Teaching Degree and a Specialty (Waldorf) Teaching Certificate. She has taught grades 1-12 and courses in higher education and conducted a community orchestra. In her free time she enjoys playing her flute and traveling.
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Stefanie Singh

Teacher for German as a Foreign Language
Stefanie holds an MEd in German and English, and is a certified teacher of German as a second language/intercultural pedagogy. Before moving to Boston, Stefanie taught in different countries, including Germany, US, Thailand, Tanzania and Canada. In her free time, she enjoys traveling around the world, cooking and dancing.
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Mary Snow

English Teacher ES
Born in Maine, Mary teaches English in Vorschule and elementary grades at GISB. Graduating from (BU) Wheelock College, and Harvard School of Education, Mary brings many years of experience in Early Childhood, and Special Education. She loves spending time with family, rock climbing, yoga, hiking, water sports, and travel.
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Funda Suzan

Classroom Teacher US
Funda is the classroom teacher in grade 10. She also teaches Math and German in Middle and Upper School and is fluent in German, English, and Turkish.
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Barbara Thirsk

Early Education Teacher
Barbara was born in Germany, lived in Belgium for five years, and has now been in the Boston area for many years. She brings more than thirteen years of experience to our Preschool teaching team, and is fluent in English and German with some French and Spanish skills. She loves traveling and riding her motorcycle.
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Andreas Weber

Head of Middle School
Andreas studied at Albert-Ludwigs-University of Freiburg and University of Oslo. As a trainee he taught in Tanzania, and at German School Tallinn in Estonia. Special interest areas include German debating and fostering democracy education. He teaches History, Social Studies and German in the Middle & Upper School at GISB.
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Susanne Weber

Teacher for German as a Foreign Language
Susanne teaches German as a Second Language in Grades 1-5 at GISB. She is a Middle and High School Teacher for German and History with experience in teaching German as a Foreign Language at schools in Germany, France, at the University of Freiburg and at the German Saturday School Boston.
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Melanie Weindl

Classroom Teacher ES
Hailing from Vienna, Melanie joined GISB in 2015 and speaks German and English. She teaches grade 1/2, Math, Science and Ethics.
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Fenja Wieneke

Special Education Teacher
Fenja joins the GISB teaching team from Germany as the Special Education Teacher to support students in grades 1 - 12. She has two years of experience in a school for physically disabled children and one year in a school for children with learning, social and emotional needs.
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Holger Wirtz

Head of School
Holger is from Germany and studied at the University of Bonn, University of Wales / College of Cardiff and Münster University. He holds a degree in English and Theology. Before joining GISB he was Assistant Head of School and Head of School at a Gymnasium outside Hannover. Holger has three sons and loves outdoor sports.
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Andrea Zahrte

Classroom Teacher MS
College and Career Counselor Germany
Andrea is from Germany, and lived in Connecticut for three years. In her former post in Hamburg, she was responsible for the science competition in grade 5/6, was a jury member of "Jugend forscht," and was Head of the Geography Department. She now teaches Science, Chemistry, and Geography in the Middle & Upper School.
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