HEALTH CARE

Mary Nummelin has been named system director of organization effectiveness at Catholic Health Services in Rockville Centre. The Huntington resident was previously principal and founder of The Locus Group in Huntington.

REAL ESTATE

Ramsay Associates in Bay Shore announced the hiring of two licensed sales associates.

Beth Arnold, of Bay Shore, previously held a similar position at Netter Real Estate in West Islip.

David Sanders, of Islip, previously held a similar position at Douglas Elliman in East Islip.

PUBLISHING

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Noelle Lafferty has been promoted to sales technology manager for Newsday Media Group in Melville. The Miller Place resident was previously a development analyst.