Coldwell Banker Residential Brokerage announced that Andrea Bertero has affiliated with the company as a sales associate in its Gilroy office. In her new position, Bertero will specialize in residential sales in south Santa Clara County. Bertero recently completed an intensive training program through Chamberlin Real Estate School, which emphasizes the principles and techniques of real estate. She is a graduate of San Jose University. Bertero (CalBRE# 01930728) may be reached at (408) 710-8050.