Brian Tracy is a Canadian-American motivational public speaker and self-development author. He is the author of over seventy books that have been translated into dozens of languages. His popular books are Earn What You're Really Worth, Eat That Frog!, and The Psychology of Achievement.
David Marshall is CEO and CFO of Berrett-Koehler Publishers. He has been with the company for eleven years, serving as the head of the editorial department and Vice President of Editorial and Digital for eight years. He is an industry veteran, specializing in marketing and business development.
