Bill Oppenheim Bill Oppenheim is a Kansas native who has worked in racing journalism since 1974. He is the co-founder of the newsletter Racing Update, and served as the paper's editor until 1993, when he moved to Scotland. Oppenheim developed a reputation as an independent observer of the sales scene in the early 1980's, and he and the staff of Racing Update originated a number of methods of stallion and sales analysis which have been adopted throughout the industry. For the past five years he has written a weekly column for TDN, as well as reporting from the major sales. He also works as a consultant, primarily for pedigree analysis, in a private capacity. Click here to access a full list of Bill Oppenheim's articles Click here to access the TDN Weekly Sales Ticker Click here to access APEX Up Close - Each week the TDN will offer a different APEX snapshot with a brief analysis. Andrew Caulfield Andrew Caulfield writes a weekly column for the Thoroughbred Daily News on pedigree analysis, a fascination which crystallised during the 12 years he spent as one of the principal writers at Timeform, where he was responsible for researching the pedigrees of all the two-year-olds. The former editor of The Thoroughbred Breeder, Pacemaker and The European Racehorse, he was also The Sporting Life's bloodstock correspondent for 12 years. For the past eight years, he has written a weekly racing column for Japan's Gallop magazine in Japan, and is also works as a bloodstock consultant, principally for Juddmonte Farms. Click here to access a full list of Andrew Caulfield's articles Alan Porter Alan Porter has been professionally involved with Thoroughbreds for almost 30 years, has been a writer on racing and breeding for more than 25 years, and has been planning matings for 18 years. Each week in the TDN, he reviews the pedigrees of a major stakes winner from the preceding weekend, with particular emphasis on observing pedigree patterns and affinities which can then be reapplied by breeders in their mating plans. Click here to access a full list of Alan Porter's articles