A Cedar Rapids, Iowa, store where everybody knows your name Though Siebke Hoyt Jewelers has occupied its current home for only about a decade, its roots trace back to 1889, when watchmakers George Ludy and Robert Taylor opened a jewelry store in Cedar Rapids, Iowa. After more than 100 years of mergers, marriages, and children—plus a few openings (and closings) in the 1980s and '90s—the Hoyts, led by Joseph ("Jay"), the store president, have turned Siebke Hoyt into a bona fide Cedar Rapids institution. In 2011, Jay's son Joe, a former golf pro, came on board, overseeing sales and marketing. And it hasn't taken him long to get into the swing of things.Change Is GoodJay: In the 1980s when I became president, I made bridal and diamond ­fashion our core products. Also, I started bringing in more exotic colored stones. Twenty years later, we're one of the leading diamond and colored stone