COMINGS AND GOINGS>>?The Jewelers Vigilance Committee has hired Jasmin Greene as its marketing and development associate. She has worked in the marketing field for various nonprofits, most recently in the education sector.>>?Meijer, the 199-store Midwest chain that sells jewelry in its discount supercenters, has appointed J.K. ­Symancyk as its new president. Prior to his appointment, he served as chief operating officer.>>?JudeFrances Jewelry has named Ann Kim its new vice president of sales. Kim brings more than 20 years of executive experience to her new role, joining JudeFrances from Scott Kay.>>?Richard H. Michaels, president of Michaels Enterprises, the Waterbury Conn.–based retailer, announced his retirement after 32 years of service. He will be succeeded by Mark Michaels.>>?Sears Holdings CEO Louis J. D’Ambrasio stepped down from the position Feb