Authors

Mario Herrera

Mario Herrera has a Degree in Education and an MA in EFL. From young children to adults, Mario has taught English for more than 30 years at all levels. Author and co-author of many acclaimed ESL/EFL series that are used in levels ranging from pre-primary to junior high schools, he is also an international consultant and teacher trainer. Mario travels the globe, directing seminars and delivering professional development workshops throughout the Americas, Europe, the Middle East, and Asia.

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Diane Pinkley

Diane Pinkley is former Director of the TC TESOL Certificate Program in the TESOL Program, Department of Arts and Humanities, at Teacher's College, Columbia University in New York. A well-known educator and author in ELL/EFL,she has trained teachers and presented academic papers at conferences around the world.

In addition, she has made major contributions to these best-selling courses: On Target and In Charge for adults and Letters to Parents and Spin! for children. Formerly the Director of the Institute of North American studies in Badalona, Spain, and Curriculum Coordinator at the Michigan Language Center in Ann Arbor, Michigan, she has taught all levels of ESL and EFL.

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