New posts in world of finance

Carolyn Mazzenga of Fort Salonga was named partner-in-charge at Marcum's Melville office. She will continue to serve as partner-in-charge of the firm's family wealth services group.

Giselle T. Sellino, left, has joined Gold Coast Bank as senior vice president, commercial lending. She was vice president/principal relationship manager at Wachovia Bank in Melville and lives in Massapequa.

Richard Crescenzo of East Setauket has joined Ameriprise Financial Services in Hauppauge as vice president and financial advisor. He held a similar position at Oppenheimer & Co. in Hauppauge.

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