MS. SARI BREWSTER TIETJEN of Rhinebeck, NY is a second-generation dog fancier who has been involved in the sport of dogs her entire life. She has bred, raised, and exhibited 14 different breeds, and for more than 50 years has specialized in the Japanese Chin. Mrs. Tietjen has been judging all over the world since 1967 and presently judges all Sporting, Hound, Toy, and Non-Sporting breeds and groups, and half of the Terrier Group. Her career highlight was judging Best in Show at Westminster in 2009. The author of four books, with a fifth in progress, Mrs. Tietjen has been writing about the sport of purebred dogs for over 30 years and has won several awards for her writings. This is her twelfth Westminster assignment, having previously judged the Toy group in 1984 and 2008 and the Non-Sporting group in 1996.