The Team

Our teachers not only speak English – they live it.


The heart of our school is the team. What connects all our teachers is their native language of English and at least one recognised credential for English teaching such as the CELTA or TESL certificates.

Team Winterthur

Winterthur was our first location. I wonder which teachers work here? Further down, they all introduce themselves personally!







ANTONIO – England

As an experienced and ambitioned businessman, Antonio supports us as a teacher as well as a business developer. Thanks to his excellent dealings with advisory and negotiation situations, he is very popular with our corporate clients.

Media, psychology & sociology
Huddersfield New College

CELTA Diploma (English teacher)

Over 20 years of business experience in personnel management (HR) and business development.


CLARE – Wales (UK)

Clare is an exceptionally happy/positive and humorous lady with an exciting background. Thanks to her vast experience she can teach any class, however for Conversation classes she’s unbeatable (our #1).

Qualified English teacher
Cambridge Institute of Education, England

CELTA Diploma (English teacher)
Teacher diploma for primary and secondary schools

Roughly 40 years experience as an English teacher in 9 different countries 



As co-founder and school namesake, Dan has been essential for English Sellers since the word go! Besides teaching, he is also our Director of Studies and dedicated content creator on social media. As a teacher he enjoys great popularity amongst the clients, especially thanks to his experience in prep work and performing of Cambridge exams.

Bachelor in History & English
University of North Carolina, USW

CELTA Diploma (English teacher)

Extensive experience as a Cambridge exam expert 


FRANCINE – Australia

Francine is a true Education expert. For over 20 years she has been a successful teacher, instructor and school head mistress (or has successfully worked as a teacher…in the field) We are proud to have her as our pedagogical supervisor and as a very dedicated teacher on board.

Master in Applied Linguistics and English Teaching
King’s College London University, England

CELTA & ELTA (English teacher)
Instructor for English teachers

Over 20 years experience as an English teacher and instructor for English teachers 


JACK – England & South Africa

Jack, as our youngest teacher, is particularly organized and humorous. Thanks to a wide variety of hobbies such as rugby, rowing, making skis himself, etc., he will certainly never run out of discussion topics!

Master’s in Economics & History
University of Glasgow, England

TEFL (Teaching English as a Foreign Language)

4+ years of teaching experience


JASON – England

Jason is an experienced and superior English teacher with many long-time corporate courses. Thanks to his social skills and entertaining streak he is very committed to English Sellers as a teacher, travel guide and content creator.

Bachelor in Development Politics & International Politics and Management
Staffordshire University, England

CELTA Diploma (English teacher)
SVEB1 Diploma (Instructor adult education)

Over 10 years work experience as an English teacher in Switzerland


JOHN – Switzerland & USA

John is much appreciated by our clients for being a well prepared and exceptionally reliable teacher. Being a dual citizen he is also bilingual.

Technical Salesman
Federally qualified Purchaser
qualified Purchasing Manager

ESCOM English teacher for adults
SVEB1 Diploma (Instructor adult education)

Bilingual (English, German)
Over 15 years experience as a purchasing manager and procurement officer 


KIRST – England

Kirst is an experienced and exceptionally communicative teacher. As a cheerful person and thanks to her professional experience in 7 different countries, she easily manages to connect with everyone within seconds!

English Literature & History
Ivybridge Community College, England

TEFL (Teaching English as a Foreign Language)

10+ years of teaching experience
6+ years of train the trainer & project management in large corporations



Due to her vast teaching activities, Krystle is a very diverse and creative teacher. Thanks to her conscientiousness and diligence she is equally appreciated internally as well as externally.

Master in Music, minor subject Philosophy
University of Wyoming, USA

TEFL (Teaching English as a Foreign Language)

5 years of teaching experience in various institutions: Music School, university and language schools 


LIA – Ireland

Lia is an extremely reliable and smart teacher. With her 20+ years of teaching experience as well as fluent Swiss German, she meets the highest expectations.

Social Sciences
Open University, UK / Switzerland

TEFL (Teaching English as a Foreign Language)
CELTA Diploma (English teacher)

20+ years of teaching experience
Fluent in German


VICKY – England

Vicky has been part of the team since the beginning. Thanks to her conscientiousness, she is much appreciated by her clientele and maintains an above average number of long-term client relationships.

Bachelor in German & Italian
University of Durham, England

CELTA Diploma (English teacher)

Multilingual (English, German, Italian, French); job experience in England, Italy, Austria and Switzerland


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