Robert R. Prechter Jr. (born March 25, 1949) is an American financial author, and stock market analyst, known for his financial forecasts using the Elliott Wave Principle. Prechter is an author and co-author of 14 books, and editor of 2 books, and his book Conquer the Crash was a New York Times bestseller in 2002. He also has published monthly financial commentary in the newsletter The Elliott Wave Theorist since 1979, and is the founder of Elliott Wave International and New Classics Library.Prechter served on the board of the CMT Association for nine years, and as its president in 1990–91. He has been a member of Mensa and Intertel. In recent years Prechter has supported the study of socionomics, a theory about human social behavior. In 2014 at the IFTA Conference in London Prechter was created a Fellow of the UK Society of Technical Analysts in recognition of his lifetime contributions to Technical Analysis.