GSAT Participates in Guam Head Start Parent Engagement Conference October 30, 2018 By Guam CEDDERS October 27, 2018: The Guam System for Assistive Technology (GSAT) staff shared information about GSATs programs and services, with particular emphasis on various assistive technology devices that can assist children with communication and mobility. Pictured with an attendee is Shawni Acfalle, GSAT Center Assistant.