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.

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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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