James E. Deitz applies both a thorough understanding of effective education and practical business knowledge to his latest edition of CONTEMPORARY BUSINESS MATHEMATICS FOR COLLEGES. The author of several textbooks and an educator for more than 35 years, Dr. Deitz held professorships with UCLA and Los Angeles State College as well as a long-standing position as president of Heald Colleges. An active member of the business community, Dr. Deitz is a recognized international speaker and has served on regional educational accrediting commissions. Currently he serves on the Dominican University of California Board of Trustees and the Bank of Marin Board of Directors. He earned his bachelor's degree in accounting from Memphis State University and Doctorate of Education from UCLA.James L. Southam has a diverse background of professional, educational, and teaching experience in business and mathematics. His 40 years of teaching experience includes San Francisco State University College of Business, California State University, Stanislaus, Southern Oregon College, Oregon State University, and the University of International Business and Economics in Beijing. Both domestically and internationally, Dr. Southam has participated in business ventures, served as a business consultant, and is a successful author. In addition, he is a member of the San Francisco State University Athletics Hall of Fame. Dr. Southam holds bachelor's and master's degrees in mathematics education from Southern Oregon College, a Ph.D. in mathematics from Oregon State University, an MBA in finance from University of California, Berkeley, and a law degree from University of California, Hasting.