Mark Douglas is the author of The Disciplined Trader: Developing Winning Attitudes, published in 1990 and considered an industry classic and one of the first books to introduce the investment industry to the concept of trading psychology. Mark began coaching traders in 1982, and has continued to develop seminar and training programs on trading psychology for the investment industry, as well as individual traders. He has been a frequent speaker at seminars across the world as well as in the United States, teaching traders how to become consistently successful. He can be reached through his website markdouglas.com.