CONSTRUCTION SUPPLY

Katie Kost has been promoted to managing partner of ABC Supply Co., in St. James. The Bohemia resident has been branch manager of the location since 2002, and will continue in this role in addition to taking on her new responsibilities as managing partner.

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HEALTH CARE

Teresa Silversmith has been appointed to serve as director of the medical records department for the NuHealth System in East Meadow. The North Bellmore resident most recently served as coding manager for Montefiore Medical Center in the Bronx. NuHealth is a public benefit corporation that manages the operations of the Nassau University Medical Center.

HUMAN RESOURCES

Renee Alfieri has joined Prestige Employee Administrators in Melville as director of human resources and client services. The Massapequa resident was senior human resources business partner and executive coach at Empowering Inquiry in Massapequa.