Mary Ellen GuffeyA dedicated professional, Mary Ellen Guffey has taught business communication and business English topics for over 35 years. She received a bachelor's degree, summa cum laude, from Bowling Green State University; a master's degree from the Universityof 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 author, Dr. Guffey corresponds with instructors around the globe who are using her books. Read More Read Less