nbsp; Paul G. Keat has been a member of the Global Business Faculty at Thunderbird School of Global Management for the past twenty-five years. At present he is an Associate Professor Emeritus. Prior to his coming to Thunderbird, he was associated for many years with the International Business Machines Corporation in professional and managerial capacities.

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His education includes a B.B.A. in accounting from the Baruch School of the City University of New York, an M.A. from Washington University, and an M.A. and Ph.D. in economics from the University of Chicago.

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Dr. Keat began his IBM career in the department of economic research and then moved into the long-range planning area. Later, as a member of the finance function, he spent several years at IBM''s European headquarters in Paris, as manager in the financial planning area and then as the financial manager for the company''s European software business. After his return to the United States, Dr. Keat served as manager in the pricing area of one of the company''s manufacturing groups. Before leaving IBM in 1987, he was associated with the company''s International Finance, Planning and Administration School (IFPA), where he taught managerial economics, lectured on finance in a number of company-related courses, and managed academic courses. He also taught at IBM''s IFPA School at La Hulpe, Belgium.

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Dr. Keat has taught at several U.S. universities, including Washington University, the City University of New York (CUNY), and Iona College. He was an adjunct professor of finance at the Lubin Graduate School of Business at Pace University, and he also taught in Pace University''s Executive MBA program.

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Philip K. Y. Young ( www.philipkyoung.com ) is the founder and president of Nth Degree Systems, Inc., a consulting firm that provides customized education and training programs to major corporations around the world. He recently co-founded Learning Burst Academy ( www.learningbursts.com ), a company that produces courses in business education in an innovative, digital format. He is also a member of the global faculty network of Duke Corporate Education. He has thirty years of teaching experience as a professor of economics in MBA programs and over twenty-five years of experience developing and teaching customized education and training programs.

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Most of Dr. Young''s teaching career was spent in the Lubin School of Business at Pace University in New York, followed by several years as clinical professor of management at Thunderbird School of Global Management. His list of clients includes a number of multinational corporations in industries such as information technology, telecommunications, fast-moving packaged consumer goods, consulting services, advertising and public relations, pharmaceuticals, semiconductor manufacturing and design, diversified manufacturing, and financial services. He teaches for these companies in the United States, Latin America, western and central Europe, Asia, and the Middle East.

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Dr. Young received a B.A. from the University of Hawaii, a master''s degree in international relations from Columbia University, and a Ph.D. in economics from New York University.

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Stephen E. Erfle began his career as a managerial economist during a 1994--1995 sabbatical at Seagram Classics Wine Company (SCWC). During those fourteen months, he maintained offices at Sterling Vineyards and at Mumm Cuvée Napa, where, respectively, the finance and marketing departments of SCWC resided. Trained as a microeconomic theorist, he began to use his economist''s toolkit to analyze concrete business questions, such as, Should Mumm raise the price of Brut Prestige a dollar a bottle? When does it make sense to have another tasting room associate on the floor in Sterling''s tasting room?

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On returning to Dickinson College, Dr. Erfle decided to refocus his teaching in a more applied direction. He helped found the International Business and Management department and major during the late 1990s. One of the core courses in that major is his course, Managerial Economics, which uses Excel as a teaching platform. This course is modeled after what he did during his SCWC sabbatical. In the past fifteen years, he has taught more than a thousand undergraduates how to build economic models in order to do comparative statics analysis and how to do regression modeling in Excel.

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Dr. Erfle received a B.S. in mathematics and B.A. in economics from the University of California, Davis, and a master''s and Ph.D. in economics from Harvard University. He has also taught in the Economics Department at Dickinson College and in the School of Social Sciences at the University of California, Irvine. He is also involved in wine education; he has taught wine-tasting classes and conducted wine tastings since his graduate school days as the resident economics and wine tutor for Harvard''s Leverett House.