Donald Lingerfelt is a market Technical Analyst among other professional occupations. He has been active both personally and professionally since 1985 in stocks and commodities. He was a commodity futures and options broker but has since left that profession due to a dislike for selling, and wished to concentrate on analyzing the market. He has been featured on Bloomberg Television as a Technical Analyst on stocks and has written course manuals on mutual fund investing. He has written articles for the Market Technicians Newsletter and is a current contributor to Seeking Alpha.com.