The editor of The Wall Street Journal's Money & Investing section and editor in chief of TheStreet.com, Dave Kansas is the chief markets commentator and a personal finance columnist for The Wall Street Journal. He is also the author of The Wall Street Journal Guide to the End of Wall Street as We Know It, The Wall Street Journal's Complete Money & Investing Guidebook, and TheStreet.com Guide to Investing in the Internet Era. He lives in New York City.