of Dunedin, Fla., has appointed Marcio Siqueira as regional sales manager for Brazil. Based in São Paulo, he will work with customers and distributors throughout Brazil and Latin America, offering educational and sales support for the company’s product line, including spectrometers, chemical sensors, analytical instrumentation and metrology equipment. He also will facilitate the growth of the company in these territories and will continue to develop its distributor network. Before joining Ocean Optics, Siqueira worked at Hanna Brasil Imp. e Exp Ltda as sales manager for Brazil.