INSURANCE

Shanna Richardelli has been promoted to president of the O'Brien Group in Port Jefferson. The Ronkonkoma resident was vice president of marketing.

LAW

Michael J. McIsaac has joined Rivkin Radler in Uniondale as an associate in the health services, and corporate and commercial practice groups. He will concentrate his practice on corporate, commercial and regulatory matters relating to the health care industry. The East Meadow resident was an associate at Loeb & Loeb in Manhattan.

REAL ESTATE

Coldwell Banker Residential Brokerage has announced two new licensed sales associates.

Janice Clemans joins the Smithtown office. The Nesconset resident held a similar position at First National Realty in Fort Salonga.

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Dino Quarleri joins the Great Neck office. The Great Neck resident held a similar position at Century 21 Madeleine Bodner in Great Neck.