WILMINGTON,Richard Staub, a senior vice president at PPD in charge of global business development, is leaving the firm. He will be the new president and CEO of PharmaLinkFHI, PPD announced Monday.

PharmaLinkFHI is a clinical research organization based in RTP.

PPD named Frank Casieri, general manager of key accounts, to replace Staub. Casieri had retired from PPD in 2002 from the business development position. He returned to handle key accounts last fall.

PPD: www.ppdi.com