Sandra Sellani Joins Coldwell Banker Commercial

* Sandra Sellani has joined Coldwell Banker Commercial Real Estate in Newport Beach as an agent. Her focus will be on multifamily investment properties and coastal residential properties. Sellani has 14 years of experience as a sales and marketing director with various companies in Orange County and was a commercial agent with Sperry Van Ness in Irvine.

* Jill Chambers has been named client services manager at the Rox burgh Agency in Costa Mesa. She joined the agency in 1998 and was formerly senior account coordinator. Before that, Chambers was senior account coordinator for the Wilshire Group in Irvine and was at Morris Advertising in Newport Beach.

* Andrei Szilagyi has been named director of engineering and chief technologist for Radiant Technology Corp. in Fullerton. Szilagyi was previously director, systems laboratory for Aura Systems Inc. in El Segundo. He also has worked at Hughes Aircraft, Santa Barbara Research Center in Goleta, and Honeywell Electro-Optics division in Lexington, Mass.