As a dedicated professional, Mary Ellen Guffey has taught business communication and business English topics for more than 40 years. She received a bachelor�s degree, summa cum laude, from Bowling Green State University, a master�s degree from the University of Illinois and a doctorate in business and economic education from the University of California, Los Angeles (UCLA). She has taught at the University of Illinois, Santa Monica College and Los Angeles Pierce College. Now recognized as the world�s leading business communication textbook author, Dr. Guffey is the founding author of three award-winning textbooks: BUSINESS COMMUNICATION: PROCESS AND PRODUCT, ESSENTIALS OF BUSINESS COMMUNICATION and BUSINESS ENGLISH. Each rigorously updated book continues to lead its market and, together, these books have helped hundreds of thousands of students around the world develop language skills. Dr. Guffey serves on the review boards of Business and Professional Communication Quarterly and the International Journal of Business Communication, publications of the Association for Business Communication. She participates in national meetings, sponsors business communication awards and is committed to promoting excellence in business communication pedagogy and the development of student writing as well as speaking skills. Dana Loewy taught business communication at California State University, Fullerton for two decades, introducing undergraduates to business writing and honing the skills of graduate students in managerial communication. Loewy is also a business etiquette consultant certified by The Protocol School of Washington who occasionally advises businesses and nonprofit organizations in the United States and several European Union countries on strategic communication. She holds a master�s degree from Bonn University, Germany, and earned a doctorate in English from the University of Southern California. Before co-authoring books with Dr. Guffey, Dr. Loewy worked as a professional translator for 25 years, during which she produced subtitles for thousands of major feature films and videos. Active in the Association for Business Communication, Dr. Loewy focuses on creating effective teaching and learning materials for undergraduate and graduate business communication students. ?