Susan Conrad is Professor of Applied Linguistics at Portland State University. The co-author of several books, she has given seminars in Europe, South America, Asia, the Pacific, and North America. As head of the Civil Engineering Writing Project, she coordinates engineers and applied linguists working to improve student writing; the work has won two awards from the American Society for Engineering Education. Lynn Santelmann is Associate Professor of Applied Linguistics at Portland State University. Her work has a cross-linguistic dimension, such as teaching and conducting research in Sweden and Germany. She has interdisciplinary training in theoretical linguistics, cognitive science, and psychology, and her research interests include the acquisition of language in a variety of contexts, from first language acquisition to acquiring academic language.