Maria Nizza joined PriceWaterhouseCoopers' asset-backed group in New York. Nizza left Citicorp's collateralized bond obligation group. She will report to group principal Joseph Mevorah.
Gregory Burman joined Jeffries & Co.'s asset-backed securities group in New York from Prudential Securities Inc.'s public finance group. Burman will report to Stan Stratton.
Samuel Belu-John joined Duff & Phelps Credit Rating Co. as an assistant vice president in the company's residential mortgage group. Prior to that Belu-John was at PriceWaterhouseCoopers in Washington, D.C.