Staci Johnson has taught all levels of adult ESL, including credit, non-credit, and workplace English. She holds an MA in Linguistics with a Teaching ESL Certificate, which is supported by more than 25 years in the English language classroom. Her passions are teacher training and curriculum development, both of which she does on a continual basis. She is one of the two authors for Stand Out, published by National Geographic Learning, now in its third edition. Staci is series editor with Rob Jenkins of Grammar Explorer, a National Geographic Learning textbook series. She was also the recipient of the 2013 Heinle Outstanding Achievement Award. Staci is a popular presenter with topics related to learner-centered instruction, multi-level instruction, and grammar instruction. She has presented throughout the United States. Rob Jenkins is a popular presenter and author of English as a Second Language topics. He is a retired faculty member from Santa Ana College School of Continuing Education where he taught ESL for 27 years and served as faculty development coordinator for 20. He was honored with several faculty awards from his college and the Best Practice of Model Program Award in 2013 from the Association of Community and Continuing Education. Rob and Staci Johnson received the 2013 Heinle Outstanding Achievement Award from National Geographic Learning for their textbook series, Stand Out.