Dover Saddlery | 10,834 followers on LinkedIn. Dover Saddlery was founded by Jim and David Powers, both top ranked riders on the U.S. equestrian team in 1975. The Powers’ focus on quality resulted in Dover Saddlery earning its reputation as a premier, upscale brand in the English riding industry. From its inception, Dover Saddlery has always put the needs of the horse and rider at the core of every decision made.