Contact UsOverviewWho We AreOur FounderBiographyImage GalleryBoard of DirectorsFinancial Information (990s)Contact UsBy EmailName:*Email Address:* Subject:*CastleGrantsMisc.WebsiteYour Message:*By PhoneTelephone: 650.355.0272By MailSam Mazza Foundation P.O. BOX 14700 San Francisco, CA 94114