Sergio Quintana is a general assignment freelance reporter for KNTV NBC Bay Area News. He joined ABC 7 News in August 2011. Prior to working for KNTV he was a reporter at KTVU Channel 2 and a freelance reporter at ABC 7 News/KGO-TV.As a freelance reporter, Sergio has also produced stories for National Public Radio, Al Jazeera English, and Sirius/XM Satellite Radio.