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.