THOMAS J. DORSEY is cofounder and President of Dorsey, Wright & Associates, LLC, a registered investment advisory firm that specializes in research and investable products based on the Point and Figure method of technical analysis. Formerly a senior vice president and director of Options Strategies with Wheat First Securities, and a stockbroker with Merrill Lynch, Dorsey has become the industry's foremost expert in Point and Figure Charting and teaches this method worldwide. He has appeared on mainstream financial media including Fox News's Cavuto on Business and received the Distinguished Speaker Award from the Wharton School of Finance Securities Industry Association. Mr. Dorsey is also the author of three previous editions of Point and Figure Charting and Commodity Strategies: High-Profit Techniques for Investors and Traders, all published by Wiley.

SARA GIEGERICH is Corporate Counsel to Dorsey, Wright & Associates. Ms. Giegerich began her current role in September of 2011; however, she has been with Dorsey Wright for nearly a decade, having started as an intern in high school. She worked for the company throughout her education at the University of Virginia and the University of Georgia School of Law. Ms. Giegerich was instrumental as an analyst, project manager, and editor for every facet of the fourth edition of Point and Figure Charting.