REAL ESTATE

Lynn Karp of Massapequa has been hired as an associate broker for Signature Premier Properties in Merrick. She held a similar job at Real Living Innovations Realty Group in Merrick.

Mary Olsen of Sayville has joined Douglas Elliman Real Estate in Sayville as a sales agent. She was in sales at Century 21 Bay’s Edge Realty in Sayville.

Bob Murphy of Sea Cliff has been hired as executive director at Greiner-Maltz in Plainview, a commercial real estate agency. He was a stockbroker at RMJ Securities in Manhattan.

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NONPROFITS

Brenda Catalano of Mattituck has been appointed director of Islandia employment and day support at Community Enterprises in Islandia. She was program administrator for the Suffolk Chapter of AHRC in Bohemia.

SECURITY

Todd Dvorsky of Selden, senior accountant at Briscoe Protective Systems Inc. in Centereach, has been promoted to director of accounting and compliance.

To be included in People on the Move, send information and color photos about job moves, promotions and other work achievements by fax to 631-843-2065, by email to peopleonthemove@newsday.com, or by mail to People on the Move, 235 Pinelawn Rd., Melville, NY 11747-4250.