Deborah Gordon has been an ESL teacher, teacher trainer, program administrator, and materials writer and editor for over twenty five years. She has worked in ES/FL programs in the United States, Europe, the Middle East, and Africa. She has written or co-authored several textbooks, workbooks, teachers’ books, online materials, assessment instruments, and companion websites. Deborah is a frequent presenter at TESOL and other professional conferences.
Laurie Blass is a writer and editor specializing in print and digital English Language Teaching materials. She has an M.A. in Linguistics and a TESL certificate from the University of Pittsburgh and has taught ESL in the United States and France. She is the author/co-author of over 40 ELT titles representing a wide range of audiences, from adult education to English for academic purposes.
Jessica Williams is Professor of Linguistics at the University of Illinois at Chicago, where she teaches in the MA TESOL program. Her area of research is second language learning. She is the author of several ELT student books as well as professional reference books for ELT professionals.
Catherine Mazur-Jefferies is an ESL instructor at North Shore Community College in Massachusetts. Catherine holds an MA in TESL from Simmons College and has taught English language learners in Poland, Portugal, and the United States for the past 18 years. Cat has also written and edited a range of materials for National Geographic Learning, including contributions to the Listening and Notetaking Skills series.