Susan Stempleski is the World Link series editor, teacher trainer, and noted author of several texts on teaching with film and video. She currently teaches at the Hunter College Intensive English Language Institute of the City University of New York and Columbia University Teacher's College, New York City.
Nancy Douglas has been in the English language teaching field since 1991. She has worked as an instructor and materials developer in Korea and the United States. She has co-authored several series for National Geographic Learning, including World Link and Reading Explorer, and has edited print and Web-based materials for students as well as professional development courses for teachers.