COMINGS AND GOINGS>>?Lee Michaels Fine Jewelry named Ryan Berg market president of its Texas operations and its Lafayette, La., location. Scott Berg will serve as market president of the two Lee Michaels locations in Baton Rouge, La., a Pandora franchise store in the Mall of Louisiana, and seven Gold Market stores the company operates in Louisiana.>>?Jewelers of America has promoted chief operating officer Robert B. Headley to vice president and COO. Headley joined JA in February 2009.>>?Thierry Chaunu has been named Damiani Group’s new CEO for the Americas. Chaunu will be responsible for Damiani’s operations in the U.S. market, plus Canada, Latin America, and the Caribbean. Chaunu is a 25-year industry veteran and past president of companies including Cartier, Chopard, and Christofle.Alan Davies>>?Alan Davies is the new chief executive of Rio Tinto’s diamon