Dr. Dirk Mateer is the Senior Lecturer and Gerald Swanson Chair of Economic Education at the University of Arizona. He has a Ph.D. from Florida State University and  has been teaching Principles of Economics for over 21 years; he specializes in the Principles of Microeconomics. Before moving to the University of Arizona, Professor Mateer spent one year at the University of Kentucky developing their online Principles courses and fifteen years at Penn State where he taught very large classes (700+ students per lecture), developing a reputation as one of the most creative and effective instructors of Principles of Economics in the country; for this, Dirk was featured in Businessweek.