UISA Office Hours Schedule for UISA Office Staff Cortney Whipple, Site Secretary M-F 8:00 a.m. - 12:30 p.m. (707) 472-5906 Darleen Catanon, Counselor T, Th 8:30 a.m. - 4:00 p.m. (707) 472-5905 Bob Dieffenbach, Principal M-F 8:00 a.m. - 4:00 p.m. 707-472-5966 Print