John Costello
Director of Studies and Owner at Masterclass English School
Based in Bilbao, Spain
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Seniority
C-Team
Department
Other
Location
Bilbao
Industry
Education Management
Company size
6
Contact information
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j•••••••@mcenglish.es
Phone
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Background
About John Costello
Experienced EFL/ English Consultant, Teacher and Trainer with more than ten years of…
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