Mark Wolfinger is an educator of individual investors and hosts a well-respected Web site that offers a solid options education. He works with both beginners and intermediate-level traders and shows them how to reduce risk and enhance earnings by adopting conservative option strategies. Mr. Wolfinger has been in the options business since 1977, when he became a market maker on the trading floor of the Chicago Board Options Exchange. For the past dozen years he has devoted his efforts to education. Mr. Wolfinger is the author of three books, including the best-selling The Rookie's Guide to Options.