Betty Tisdale, founder of H.A.L.O. (helping and loving orphans), has dedicated her life to bettering the lives of orphans and at-risk children around the world, and is credited with safely evacuating 219 orphans at the end of the Vietnam War. Then Teresa Valley, co-founder of Girls Giving Back, a community outreach network that supports local non profits, will share what led her to create a network of givers