Our Team

Stacy Overbey

Director & College Counselor

Stacy received a Bachelor of Arts with honors from Wellesley College, and a Certificate in College Counseling with distinction from UCLA. She has lived in Switerland for over 30 years, raising three bilingual, bicultural children and guiding them along three diverse academic paths. Stacy worked as an English teacher and a columnist for an American newspaper before opening her own editing company, Intermedia Editing Services. In 2009, she took over the Gasser Learning Center (founded in 2000) and, in addition to her managerial duties at TLC, provides college counseling as an independent educational consultant and member of IACAC.

Adeline Mathier

Math & Sciences Tutor

Adeline received her Matura from FGZ and is currently pursuing a dual degree in mathematics and economics at Brown University.  She makes full use of all online tools at her disposal in her very effective lessons given remotely.

Alena Kapnulina

Biology, Chemistry, Math Tutor

Alena received her IGCSE and IB diplomas at an international school in Spain, and her B.S. and M.S. degrees in biomedicine at the University of Zurich.  She is now pursuing her PhD and continues to share her tutoring experience and passion for STEM subjects with students at TLC.

Cosima Du Pasquier

Math & Physics Tutor

Cosima has the Swiss Matura, her B.S. and M.S. in mechanical engineering from the ETH Zurich, and is currently pursuing her PhD there, including an exchange semester at MIT and internship at Apple. She has been sharing her passion for math and physics with students for several years, employing her own unique teaching methods to ensure success.

Fabián Monge

Biology, Chemistry, Physics, Math Tutor

Fabian completed his degree in chemical engineering at the University of Costa Rica and his second B.S. as well as his M.S. in environmental sciences at the ETH Zurich. He has several years of teaching and tutoring experience and many appreciative students in both countries.

Loulou Mueller

Math, Chemistry, Physics, Biology Tutor


Having received the dual IB-Matura diploma from the Rämibühl Gymnasium, Loulou is uniquely qualified to help students in both programs.  She provides tutoring in math and sciences in English and German while also studying interdisciplinary natural sciences at the ETH.

Nayana Chakrabarti

English Language & Literature Tutor

Nayana received her B.A. in English from the University of Cambridge, her M.A. from King’s College, a Postgraduate Certificate of Education from Cambridge, and her M.Ed. from the University of Exeter.  She has extensive experience teaching students from primary through secondary and is thoroughly familiar with the A-Levels, IB and AP curricula.

Sarah Klapisch

Psychology & German Tutor

Sarah received the IB Diploma from ZIS before heading to the US for college.  After her B.A. in psychology from Brandeis, she returned to Europe for her M.Sc. in Early Intervention in Psychosis at King’s College London.  Now back in Zurich, she is passionately supporting TLC students in psych, German and certain SAT subject tests.

Stephan Blank

Economics, Math, Accounting, SAT / ACT Tutor

Stephan is an honors graduate of Zurich International School and Maastricht University with a B.A. in economics and international law, and recently received his M.S. in management and law from ZHAW. He has garnered extensive tutoring experience with students of all ages in both English and German over the past several years, specializing in economics and business management as well as ACT and SAT test prep.

Tariq Leinen

Physics & Math Tutor

Tariq has the Swiss Matura from the KS Hohe Promenade.  He is currently working on his bachelors at the ETH in Interdisciplinary Science which includes courses and labwork in theoretical physics, physical chemistry and math.   At TLC, Tariq supports students in math and physics, and can also do so in Swiss German and French.

Tracy Woodley

English, Social Studies, Writing, SAT Tutor

Tracy received her B.A. from the University of Illinois and is now working on her M.A. at the Universität Basel.  She has extensive experience tutoring and leading writing programs at a similar center in the US.  Her passion for youth development and mentorship serves her students here at TLC well.