A 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 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 author, Dr. Guffey corresponds with instructors around the globe who are using her books. She is the founding author of the award-winning Business Communication: Process and Product, the leading business communication textbook in this country. She also wrote Business English, which serves more students than any other book in its field; Essentials of College English; and Essentials of Business Communication, the leading text/workbook in its market. Dr. Guffey is active professionally, serving on the review boards of Business and Professional Communication Quarterly and the 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 skills.


Carolyn M. Seefer earned her undergraduate business degree and business education teaching credential from the University of Georgia and her M.B.A. from John F. Kennedy University, where she graduated at the top of her class. She has been teaching business courses at the college level for more than 30 years. Since 1996, she has served as professor in the Business Administration Department of Diablo Valley College, a large community college in the San Francisco Bay Area. In addition to teaching a variety of business courses at Diablo Valley College, Professor Seefer is faculty advisor for Phi Beta Lambda, the DVC business club; is a member of the college Scholarship Committee; is the Academic Senate representative for the Business Division; serves as a mentor to new faculty; and is involved in developing procedures and guidelines for online teaching. She also recently took part in the college study abroad program, where she had the opportunity to teach in Florence, Italy, for two semesters. In addition, Professor Seefer is an active member of the Association for Business Communication and has presented numerous times at ABC s annual conventions. Professor Seefer, who places great emphasis on student learning, success, and achievement, has been named Teacher of the Year at three different colleges, most recently for the Contra Costa Community College District.